16500533112 has 128 divisors (see below), whose sum is σ = 52416000000. Its totient is φ = 4711436928.

The previous prime is 16500533057. The next prime is 16500533141. The reversal of 16500533112 is 21133500561.

16500533112 is a `hidden beast` number, since 1 + 650 + 0 + 5 + 3 + 3 + 1 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3625014 + ... + 3629562.

It is an arithmetic number, because the mean of its divisors is an integer number (409500000).

Almost surely, 2^16500533112 is an apocalyptic number.

16500533112 is a gapful number since it is divisible by the number (12) 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 16500533112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26208000000).

16500533112 is an abundant number, since it is smaller than the sum of its proper divisors (35915466888).

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

16500533112 is a wasteful number, since it uses less digits than its factorization.

16500533112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970 (or 6960 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 16500533112 in words is "sixteen billion, five hundred million, five hundred thirty-three thousand, one hundred twelve".