164252506 has 16 divisors (see below), whose sum is σ = 271159488. Its totient is φ = 73998400.

The previous prime is 164252503. The next prime is 164252513. The reversal of 164252506 is 605252461.

164252506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164252503) 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, 30550 + ... + 35521.

It is an arithmetic number, because the mean of its divisors is an integer number (16947468).

Almost surely, 2^164252506 is an apocalyptic number.

164252506 is a deficient number, since it is larger than the sum of its proper divisors (106906982).

164252506 is a wasteful number, since it uses less digits than its factorization.

164252506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66197.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 164252506 is about 12816.1033859750. The cubic root of 164252506 is about 547.6511468046.

The spelling of 164252506 in words is "one hundred sixty-four million, two hundred fifty-two thousand, five hundred six".