164522899 has 4 divisors (see below), whose sum is σ = 165104536. Its totient is φ = 163941264.

The previous prime is 164522893. The next prime is 164522903. The reversal of 164522899 is 998225461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164522899 - 2⁵ = 164522867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164522893) 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, 290394 + ... + 290959.

It is an arithmetic number, because the mean of its divisors is an integer number (41276134).

Almost surely, 2^164522899 is an apocalyptic number.

164522899 is a deficient number, since it is larger than the sum of its proper divisors (581637).

164522899 is an equidigital number, since it uses as much as digits as its factorization.

164522899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581636.

The product of its digits is 311040, while the sum is 46.

The square root of 164522899 is about 12826.6480032782. The cubic root of 164522899 is about 547.9514970747.

The spelling of 164522899 in words is "one hundred sixty-four million, five hundred twenty-two thousand, eight hundred ninety-nine".