164526625 has 8 divisors (see below), whose sum is σ = 205329384. Its totient is φ = 131621200.

The previous prime is 164526623. The next prime is 164526631. The reversal of 164526625 is 526625461.

164526625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29246464 + 135280161 = 5408^2 + 11631^2 .

It is not a de Polignac number, because 164526625 - 2¹ = 164526623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164526623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657982 + ... + 658231.

It is an arithmetic number, because the mean of its divisors is an integer number (25666173).

Almost surely, 2^164526625 is an apocalyptic number.

It is an amenable number.

164526625 is a deficient number, since it is larger than the sum of its proper divisors (40802759).

164526625 is an equidigital number, since it uses as much as digits as its factorization.

164526625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316228 (or 1316218 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 164526625 is about 12826.7932469499. The cubic root of 164526625 is about 547.9556335847.

The spelling of 164526625 in words is "one hundred sixty-four million, five hundred twenty-six thousand, six hundred twenty-five".