164034625 has 8 divisors (see below), whose sum is σ = 204715368. Its totient is φ = 131227600.

The previous prime is 164034589. The next prime is 164034631. The reversal of 164034625 is 526430461.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 164019249 = 124^2 + 12807^2 .

It is not a de Polignac number, because 164034625 - 2¹³ = 164026433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656014 + ... + 656263.

It is an arithmetic number, because the mean of its divisors is an integer number (25589421).

Almost surely, 2^164034625 is an apocalyptic number.

It is an amenable number.

164034625 is a deficient number, since it is larger than the sum of its proper divisors (40680743).

164034625 is an equidigital number, since it uses as much as digits as its factorization.

164034625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312292 (or 1312282 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 164034625 is about 12807.6002826447. The cubic root of 164034625 is about 547.4088865150.

The spelling of 164034625 in words is "one hundred sixty-four million, thirty-four thousand, six hundred twenty-five".