164925 has 18 divisors (see below), whose sum is σ = 295802. Its totient is φ = 87840.

The previous prime is 164911. The next prime is 164953. The reversal of 164925 is 529461.

It can be written as a sum of positive squares in 3 ways, for example, as 47961 + 116964 = 219^2 + 342^2 .

It is not a de Polignac number, because 164925 - 2⁵ = 164893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 164925.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 142 + ... + 591.

2¹⁶⁴⁹²⁵ is an apocalyptic number.

164925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164925 is a deficient number, since it is larger than the sum of its proper divisors (130877).

164925 is a wasteful number, since it uses less digits than its factorization.

164925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 741 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 164925 is about 406.1095911204. The cubic root of 164925 is about 54.8397539519.

It can be divided in two parts, 164 and 925, that added together give a square (1089 = 33²).

The spelling of 164925 in words is "one hundred sixty-four thousand, nine hundred twenty-five".