16612752672 has 120 divisors (see below), whose sum is σ = 49546328832. Its totient is φ = 5459529600.

The previous prime is 16612752647. The next prime is 16612752691. The reversal of 16612752672 is 27625721661.

16612752672 is a `hidden beast` number, since 1 + 6 + 612 + 7 + 5 + 26 + 7 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138897 + ... + 229167.

Almost surely, 2^16612752672 is an apocalyptic number.

16612752672 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 16612752672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24773164416).

16612752672 is an abundant number, since it is smaller than the sum of its proper divisors (32933576160).

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

16612752672 is an equidigital number, since it uses as much as digits as its factorization.

16612752672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90364 (or 90347 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 16612752672 in words is "sixteen billion, six hundred twelve million, seven hundred fifty-two thousand, six hundred seventy-two".