164624051 has 4 divisors (see below), whose sum is σ = 165015504. Its totient is φ = 164232600.

The previous prime is 164624029. The next prime is 164624069. The reversal of 164624051 is 150426461.

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 164624051 - 2²² = 160429747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164624351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195095 + ... + 195936.

It is an arithmetic number, because the mean of its divisors is an integer number (41253876).

Almost surely, 2^164624051 is an apocalyptic number.

164624051 is a deficient number, since it is larger than the sum of its proper divisors (391453).

164624051 is an equidigital number, since it uses as much as digits as its factorization.

164624051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391452.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 164624051 is about 12830.5904384794. The cubic root of 164624051 is about 548.0637712828.

The spelling of 164624051 in words is "one hundred sixty-four million, six hundred twenty-four thousand, fifty-one".