164087699880 has 128 divisors (see below), whose sum is σ = 561313670400. Its totient is φ = 38014881792.

The previous prime is 164087699843. The next prime is 164087699899. The reversal of 164087699880 is 88996780461.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3067140 + ... + 3120179.

It is an arithmetic number, because the mean of its divisors is an integer number (4385263050).

Almost surely, 2^164087699880 is an apocalyptic number.

164087699880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164087699880 is an abundant number, since it is smaller than the sum of its proper divisors (397225970520).

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

164087699880 is a wasteful number, since it uses less digits than its factorization.

164087699880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187363 (or 6187359 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 66.

The spelling of 164087699880 in words is "one hundred sixty-four billion, eighty-seven million, six hundred ninety-nine thousand, eight hundred eighty".