13168710025 has 27 divisors (see below), whose sum is σ = 16653468181. Its totient is φ = 10329786080.

The previous prime is 13168710013. The next prime is 13168710029. The reversal of 13168710025 is 52001786131.

It is a happy number.

The square root of 13168710025 is 114755.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2189023369 + 10979686656 = 46787^2 + 104784^2 .

It is not a de Polignac number, because 13168710025 - 2²³ = 13160321417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13168710029) 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, 33852531 + ... + 33852919.

Almost surely, 2^13168710025 is an apocalyptic number.

13168710025 is the 114755-th square number.

13168710025 is the 57378-th centered octagonal number.

It is an amenable number.

13168710025 is a deficient number, since it is larger than the sum of its proper divisors (3484758156).

13168710025 is an frugal number, since it uses more digits than its factorization.

13168710025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 13168710025 in words is "thirteen billion, one hundred sixty-eight million, seven hundred ten thousand, twenty-five".