164025553 has 2 divisors, whose sum is σ = 164025554. Its totient is φ = 164025552.

The previous prime is 164025541. The next prime is 164025583. The reversal of 164025553 is 355520461.

164025553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149646289 + 14379264 = 12233^2 + 3792^2 .

It is a cyclic number.

It is not a de Polignac number, because 164025553 - 2⁹ = 164025041 is a prime.

It is not a weakly prime, because it can be changed into another prime (164025583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82012776 + 82012777.

It is an arithmetic number, because the mean of its divisors is an integer number (82012777).

Almost surely, 2^164025553 is an apocalyptic number.

It is an amenable number.

164025553 is a deficient number, since it is larger than the sum of its proper divisors (1).

164025553 is an equidigital number, since it uses as much as digits as its factorization.

164025553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 164025553 is about 12807.2461130409. The cubic root of 164025553 is about 547.3987947738.

The spelling of 164025553 in words is "one hundred sixty-four million, twenty-five thousand, five hundred fifty-three".