16885997260407 has 48 divisors (see below), whose sum is σ = 27620554071040. Its totient is φ = 10188045196560.

The previous prime is 16885997260369. The next prime is 16885997260411. The reversal of 16885997260407 is 70406279958861.

16885997260407 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 5 + 9 + 9 + 7 + 2 + 604 + 0 + 7 = 666.

It is not a de Polignac number, because 16885997260407 - 2¹¹ = 16885997258359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16885997260207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10860373 + ... + 12317454.

Almost surely, 2^{16885997260407} is an apocalyptic number.

16885997260407 is a deficient number, since it is larger than the sum of its proper divisors (10734556810633).

16885997260407 is a wasteful number, since it uses less digits than its factorization.

16885997260407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23178081 (or 23178064 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 72.

The spelling of 16885997260407 in words is "sixteen trillion, eight hundred eighty-five billion, nine hundred ninety-seven million, two hundred sixty thousand, four hundred seven".