16866853700 has 36 divisors (see below), whose sum is σ = 36617572992. Its totient is φ = 6743700000.

The previous prime is 16866853639. The next prime is 16866853709. The reversal of 16866853700 is 735866861.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (16866853709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191825 + ... + 265575.

Almost surely, 2^16866853700 is an apocalyptic number.

16866853700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16866853700 is an abundant number, since it is smaller than the sum of its proper divisors (19750719292).

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

16866853700 is a wasteful number, since it uses less digits than its factorization.

16866853700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76052 (or 76045 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 16866853700 in words is "sixteen billion, eight hundred sixty-six million, eight hundred fifty-three thousand, seven hundred".