1053161856 has 96 divisors (see below), whose sum is σ = 3052849800. Its totient is φ = 348475392.

The previous prime is 1053161843. The next prime is 1053161869. The reversal of 1053161856 is 6581613501.

1053161856 is a `hidden beast` number, since 1 + 0 + 5 + 31 + 618 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1053161843) and next prime (1053161869).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1053161856² = 2218299789866729472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1053161856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156840 + ... + 163416.

Almost surely, 2^1053161856 is an apocalyptic number.

1053161856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053161856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526424900).

1053161856 is an abundant number, since it is smaller than the sum of its proper divisors (1999687944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053161856 is a wasteful number, since it uses less digits than its factorization.

1053161856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736 (or 6721 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1053161856 is about 32452.4553154303. The cubic root of 1053161856 is about 1017.4155563419.

The spelling of 1053161856 in words is "one billion, fifty-three million, one hundred sixty-one thousand, eight hundred fifty-six".