16870866732 has 24 divisors (see below), whose sum is σ = 43739284400. Its totient is φ = 5623622208.

The previous prime is 16870866721. The next prime is 16870866737. The reversal of 16870866732 is 23766807861.

It is a super-2 number, since 2×16870866732² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16870866737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78105757 + ... + 78105972.

Almost surely, 2^16870866732 is an apocalyptic number.

16870866732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16870866732 is an abundant number, since it is smaller than the sum of its proper divisors (26868417668).

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

16870866732 is a wasteful number, since it uses less digits than its factorization.

16870866732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156211742 (or 156211734 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 16870866732 in words is "sixteen billion, eight hundred seventy million, eight hundred sixty-six thousand, seven hundred thirty-two".