16690551671852 has 12 divisors (see below), whose sum is σ = 29286772306176. Its totient is φ = 8322902441520.

The previous prime is 16690551671777. The next prime is 16690551671887. The reversal of 16690551671852 is 25817615509661.

It is a super-2 number, since 2×16690551671852² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5593346924 + ... + 5593349907.

It is an arithmetic number, because the mean of its divisors is an integer number (2440564358848).

Almost surely, 2^{16690551671852} is an apocalyptic number.

It is an amenable number.

16690551671852 is a deficient number, since it is larger than the sum of its proper divisors (12596220634324).

16690551671852 is a wasteful number, since it uses less digits than its factorization.

16690551671852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11186697208 (or 11186697206 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 62.

The spelling of 16690551671852 in words is "sixteen trillion, six hundred ninety billion, five hundred fifty-one million, six hundred seventy-one thousand, eight hundred fifty-two".