164635022 has 4 divisors (see below), whose sum is σ = 246952536. Its totient is φ = 82317510.

The previous prime is 164635007. The next prime is 164635033. The reversal of 164635022 is 220536461.

164635022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220536461 = 17 ⋅12972733.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41158754 + ... + 41158757.

It is an arithmetic number, because the mean of its divisors is an integer number (61738134).

Almost surely, 2^164635022 is an apocalyptic number.

164635022 is a deficient number, since it is larger than the sum of its proper divisors (82317514).

164635022 is an equidigital number, since it uses as much as digits as its factorization.

164635022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82317513.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 164635022 is about 12831.0179642926. The cubic root of 164635022 is about 548.0759458386.

The spelling of 164635022 in words is "one hundred sixty-four million, six hundred thirty-five thousand, twenty-two".