164245465986 has 32 divisors (see below), whose sum is σ = 379636398720. Its totient is φ = 46400002176.

The previous prime is 164245465913. The next prime is 164245465999. The reversal of 164245465986 is 689564542461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21965961 + ... + 21973436.

It is an arithmetic number, because the mean of its divisors is an integer number (11863637460).

Almost surely, 2^164245465986 is an apocalyptic number.

164245465986 is an abundant number, since it is smaller than the sum of its proper divisors (215390932734).

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

164245465986 is a wasteful number, since it uses less digits than its factorization.

164245465986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43939498.

The product of its digits is 49766400, while the sum is 60.

The spelling of 164245465986 in words is "one hundred sixty-four billion, two hundred forty-five million, four hundred sixty-five thousand, nine hundred eighty-six".