16514865136 has 120 divisors (see below), whose sum is σ = 40852135296. Its totient is φ = 6395276160.

The previous prime is 16514865119. The next prime is 16514865139. The reversal of 16514865136 is 63156841561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16514865139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1434475 + ... + 1445941.

Almost surely, 2^16514865136 is an apocalyptic number.

16514865136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16514865136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20426067648).

16514865136 is an abundant number, since it is smaller than the sum of its proper divisors (24337270160).

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

16514865136 is a wasteful number, since it uses less digits than its factorization.

16514865136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11667 (or 11654 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The spelling of 16514865136 in words is "sixteen billion, five hundred fourteen million, eight hundred sixty-five thousand, one hundred thirty-six".