16162782725 has 24 divisors (see below), whose sum is σ = 22337677440. Its totient is φ = 11529112320.

The previous prime is 16162782707. The next prime is 16162782731. The reversal of 16162782725 is 52728726161.

It is not a de Polignac number, because 16162782725 - 2⁸ = 16162782469 is a prime.

It is a super-2 number, since 2×16162782725² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16162782725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 992717 + ... + 1008866.

It is an arithmetic number, because the mean of its divisors is an integer number (930736560).

Almost surely, 2^16162782725 is an apocalyptic number.

It is an amenable number.

16162782725 is a deficient number, since it is larger than the sum of its proper divisors (6174894715).

16162782725 is a wasteful number, since it uses less digits than its factorization.

16162782725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001629 (or 2001624 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The spelling of 16162782725 in words is "sixteen billion, one hundred sixty-two million, seven hundred eighty-two thousand, seven hundred twenty-five".