16856099502 has 32 divisors (see below), whose sum is σ = 37632228480. Its totient is φ = 4989119520.

The previous prime is 16856099501. The next prime is 16856099503. The reversal of 16856099502 is 20599065861.

It is an interprime number because it is at equal distance from previous prime (16856099501) and next prime (16856099503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16856099501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966877 + ... + 2972552.

It is an arithmetic number, because the mean of its divisors is an integer number (1176007140).

Almost surely, 2^16856099502 is an apocalyptic number.

16856099502 is an abundant number, since it is smaller than the sum of its proper divisors (20776128978).

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

16856099502 is a wasteful number, since it uses less digits than its factorization.

16856099502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939488.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 16856099502 in words is "sixteen billion, eight hundred fifty-six million, ninety-nine thousand, five hundred two".