16104879025 has 27 divisors (see below), whose sum is σ = 21228077731. Its totient is φ = 12117904640.

The previous prime is 16104879023. The next prime is 16104879101. The reversal of 16104879025 is 52097840161.

The square root of 16104879025 is 126905.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 705061809 + 15399817216 = 26553^2 + 124096^2 .

It is not a de Polignac number, because 16104879025 - 2¹ = 16104879023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16104879023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10786179 + ... + 10787671.

Almost surely, 2^16104879025 is an apocalyptic number.

16104879025 is the 126905-th square number.

16104879025 is the 63453-rd centered octagonal number.

It is an amenable number.

16104879025 is a deficient number, since it is larger than the sum of its proper divisors (5123198706).

16104879025 is an frugal number, since it uses more digits than its factorization.

16104879025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 16104879025 in words is "sixteen billion, one hundred four million, eight hundred seventy-nine thousand, twenty-five".