1053817656 has 64 divisors (see below), whose sum is σ = 2718489600. Its totient is φ = 340249728.

The previous prime is 1053817651. The next prime is 1053817663. The reversal of 1053817656 is 6567183501.

It is a super-2 number, since 2×1053817656² = 2221063304194668672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053817651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95245 + ... + 105731.

It is an arithmetic number, because the mean of its divisors is an integer number (42476400).

Almost surely, 2^1053817656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053817656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359244800).

1053817656 is an abundant number, since it is smaller than the sum of its proper divisors (1664671944).

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

1053817656 is a wasteful number, since it uses less digits than its factorization.

1053817656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628 (or 10624 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1053817656 is about 32462.5577550507. The cubic root of 1053817656 is about 1017.6266928271.

The spelling of 1053817656 in words is "one billion, fifty-three million, eight hundred seventeen thousand, six hundred fifty-six".