1164656525 has 12 divisors (see below), whose sum is σ = 1450657152. Its totient is φ = 927542640.

The previous prime is 1164656513. The next prime is 1164656531. The reversal of 1164656525 is 5256564611.

It is not a de Polignac number, because 1164656525 - 2⁶ = 1164656461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98879 + ... + 110028.

It is an arithmetic number, because the mean of its divisors is an integer number (120888096).

Almost surely, 2^1164656525 is an apocalyptic number.

It is an amenable number.

1164656525 is a deficient number, since it is larger than the sum of its proper divisors (286000627).

1164656525 is a wasteful number, since it uses less digits than its factorization.

1164656525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209140 (or 209135 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 1164656525 is about 34127.0644064209. The cubic root of 1164656525 is about 1052.1216435766.

The spelling of 1164656525 in words is "one billion, one hundred sixty-four million, six hundred fifty-six thousand, five hundred twenty-five".