1648335960 has 128 divisors (see below), whose sum is σ = 5514264000. Its totient is φ = 437971968.

The previous prime is 1648335853. The next prime is 1648335973. The reversal of 1648335960 is 695338461.

1648335960 is a `hidden beast` number, since 16 + 48 + 3 + 3 + 596 + 0 = 666.

1648335960 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1648335960² = 5434022874058243200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313836 + ... + 319044.

Almost surely, 2^1648335960 is an apocalyptic number.

1648335960 is a gapful number since it is divisible by the number (10) 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 1648335960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2757132000).

1648335960 is an abundant number, since it is smaller than the sum of its proper divisors (3865928040).

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

1648335960 is a wasteful number, since it uses less digits than its factorization.

1648335960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522 (or 5512 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 1648335960 is about 40599.7039398072. The cubic root of 1648335960 is about 1181.2683766353.

The spelling of 1648335960 in words is "one billion, six hundred forty-eight million, three hundred thirty-five thousand, nine hundred sixty".