164413025 has 24 divisors (see below), whose sum is σ = 233735040. Its totient is φ = 112383360.

The previous prime is 164413021. The next prime is 164413027. The reversal of 164413025 is 520314461.

It is not a de Polignac number, because 164413025 - 2² = 164413021 is a prime.

It is a super-3 number, since 3×164413025³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164412985 and 164413003.

It is not an unprimeable number, because it can be changed into a prime (164413021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61517 + ... + 64133.

It is an arithmetic number, because the mean of its divisors is an integer number (9738960).

Almost surely, 2^164413025 is an apocalyptic number.

It is an amenable number.

164413025 is a deficient number, since it is larger than the sum of its proper divisors (69322015).

164413025 is a wasteful number, since it uses less digits than its factorization.

164413025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 164413025 is about 12822.3642515723. The cubic root of 164413025 is about 547.8294896812.

Adding to 164413025 its reverse (520314461), we get a palindrome (684727486).

The spelling of 164413025 in words is "one hundred sixty-four million, four hundred thirteen thousand, twenty-five".