16051715472 has 40 divisors (see below), whose sum is σ = 44656697344. Its totient is φ = 4938989184.

The previous prime is 16051715447. The next prime is 16051715507. The reversal of 16051715472 is 27451715061.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 16051715472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12861328 + ... + 12862575.

Almost surely, 2^16051715472 is an apocalyptic number.

16051715472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16051715472 is an abundant number, since it is smaller than the sum of its proper divisors (28604981872).

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

16051715472 is a wasteful number, since it uses less digits than its factorization.

16051715472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25723927 (or 25723921 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 16051715472 in words is "sixteen billion, fifty-one million, seven hundred fifteen thousand, four hundred seventy-two".