164325567977 has 16 divisors (see below), whose sum is σ = 175395600000. Its totient is φ = 153416229120.

The previous prime is 164325567899. The next prime is 164325568081. The reversal of 164325567977 is 779765523461.

It is a cyclic number.

It is not a de Polignac number, because 164325567977 - 2²⁴ = 164308790761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164325567277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046399 + ... + 1193147.

It is an arithmetic number, because the mean of its divisors is an integer number (10962225000).

Almost surely, 2^164325567977 is an apocalyptic number.

164325567977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

164325567977 is a deficient number, since it is larger than the sum of its proper divisors (11070032023).

164325567977 is a wasteful number, since it uses less digits than its factorization.

164325567977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147296.

The product of its digits is 66679200, while the sum is 62.

The spelling of 164325567977 in words is "one hundred sixty-four billion, three hundred twenty-five million, five hundred sixty-seven thousand, nine hundred seventy-seven".