16907042520 has 160 divisors (see below), whose sum is σ = 57077103600. Its totient is φ = 4488659712.

The previous prime is 16907042473. The next prime is 16907042549. The reversal of 16907042520 is 2524070961.

16907042520 is a `hidden beast` number, since 1 + 6 + 90 + 7 + 0 + 42 + 520 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 730567 + ... + 753353.

Almost surely, 2^16907042520 is an apocalyptic number.

16907042520 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 16907042520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28538551800).

16907042520 is an abundant number, since it is smaller than the sum of its proper divisors (40170061080).

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

16907042520 is a wasteful number, since it uses less digits than its factorization.

16907042520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23039 (or 23026 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 16907042520 in words is "sixteen billion, nine hundred seven million, forty-two thousand, five hundred twenty".