164601051 has 4 divisors (see below), whose sum is σ = 219468072. Its totient is φ = 109734032.

The previous prime is 164601043. The next prime is 164601079. The reversal of 164601051 is 150106461.

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 164601051 - 2³ = 164601043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164601001) 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, 27433506 + ... + 27433511.

It is an arithmetic number, because the mean of its divisors is an integer number (54867018).

Almost surely, 2^164601051 is an apocalyptic number.

164601051 is a deficient number, since it is larger than the sum of its proper divisors (54867021).

164601051 is an equidigital number, since it uses as much as digits as its factorization.

164601051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54867020.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 164601051 is about 12829.6941117082. The cubic root of 164601051 is about 548.0382463494.

The spelling of 164601051 in words is "one hundred sixty-four million, six hundred one thousand, fifty-one".