16851866700 has 36 divisors (see below), whose sum is σ = 48758068520. Its totient is φ = 4493831040.

The previous prime is 16851866687. The next prime is 16851866741. The reversal of 16851866700 is 766815861.

16851866700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16851866700² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16851866700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28086145 + ... + 28086744.

Almost surely, 2^16851866700 is an apocalyptic number.

16851866700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16851866700 is an abundant number, since it is smaller than the sum of its proper divisors (31906201820).

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

16851866700 is a wasteful number, since it uses less digits than its factorization.

16851866700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56172906 (or 56172899 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 16851866700 in words is "sixteen billion, eight hundred fifty-one million, eight hundred sixty-six thousand, seven hundred".