16909537757040 has 120 divisors (see below), whose sum is σ = 56789910443760. Its totient is φ = 4509047596032.

The previous prime is 16909537756973. The next prime is 16909537757069. The reversal of 16909537757040 is 4075773590961.

16909537757040 is a `hidden beast` number, since 1 + 6 + 9 + 0 + 9 + 53 + 7 + 7 + 570 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×16909537757040² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20276139 + ... + 21093621.

It is an arithmetic number, because the mean of its divisors is an integer number (473249253698).

Almost surely, 2^{16909537757040} is an apocalyptic number.

16909537757040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16909537757040 is an abundant number, since it is smaller than the sum of its proper divisors (39880372686720).

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

16909537757040 is a wasteful number, since it uses less digits than its factorization.

16909537757040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846231 (or 846222 counting only the distinct ones).

The product of its (nonzero) digits is 50009400, while the sum is 63.

The spelling of 16909537757040 in words is "sixteen trillion, nine hundred nine billion, five hundred thirty-seven million, seven hundred fifty-seven thousand, forty".