164522377 has 4 divisors (see below), whose sum is σ = 164672640. Its totient is φ = 164372116.

The previous prime is 164522359. The next prime is 164522411. The reversal of 164522377 is 773225461.

It is a happy number.

164522377 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164522377 - 2¹¹ = 164520329 is a prime.

It is a super-2 number, since 2×164522377² = 54135225067460258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164522317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73477 + ... + 75682.

It is an arithmetic number, because the mean of its divisors is an integer number (41168160).

Almost surely, 2^164522377 is an apocalyptic number.

It is an amenable number.

164522377 is a deficient number, since it is larger than the sum of its proper divisors (150263).

164522377 is a wasteful number, since it uses less digits than its factorization.

164522377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150262.

The product of its digits is 70560, while the sum is 37.

The square root of 164522377 is about 12826.6276549996. The cubic root of 164522377 is about 547.9509175586.

The spelling of 164522377 in words is "one hundred sixty-four million, five hundred twenty-two thousand, three hundred seventy-seven".