164867866488 has 48 divisors (see below), whose sum is σ = 480864613320. Its totient is φ = 50728574016.

The previous prime is 164867866421. The next prime is 164867866523. The reversal of 164867866488 is 884668768461.

164867866488 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 67 + 86 + 6 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88069506 + ... + 88071377.

Almost surely, 2^164867866488 is an apocalyptic number.

164867866488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

164867866488 is an abundant number, since it is smaller than the sum of its proper divisors (315996746832).

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

164867866488 is a wasteful number, since it uses less digits than its factorization.

164867866488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176140908 (or 176140901 counting only the distinct ones).

The product of its digits is 594542592, while the sum is 72.

The spelling of 164867866488 in words is "one hundred sixty-four billion, eight hundred sixty-seven million, eight hundred sixty-six thousand, four hundred eighty-eight".