164245566243164 has 24 divisors (see below), whose sum is σ = 335480305520640. Its totient is φ = 68893277025456.

The previous prime is 164245566243133. The next prime is 164245566243197. The reversal of 164245566243164 is 461342665542461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62403329324 + ... + 62403331955.

It is an arithmetic number, because the mean of its divisors is an integer number (13978346063360).

Almost surely, 2^{164245566243164} is an apocalyptic number.

164245566243164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164245566243164 is an abundant number, since it is smaller than the sum of its proper divisors (171234739277476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164245566243164 is a wasteful number, since it uses less digits than its factorization.

164245566243164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124806661337 (or 124806661335 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 59.

The spelling of 164245566243164 in words is "one hundred sixty-four trillion, two hundred forty-five billion, five hundred sixty-six million, two hundred forty-three thousand, one hundred sixty-four".