164558260680 has 64 divisors (see below), whose sum is σ = 538554312000. Its totient is φ = 39892911360.

The previous prime is 164558260627. The next prime is 164558260697. The reversal of 164558260680 is 86062855461.

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, 62331355 + ... + 62333994.

It is an arithmetic number, because the mean of its divisors is an integer number (8414911125).

Almost surely, 2^164558260680 is an apocalyptic number.

164558260680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164558260680 is an abundant number, since it is smaller than the sum of its proper divisors (373996051320).

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

164558260680 is a wasteful number, since it uses less digits than its factorization.

164558260680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124665374 (or 124665370 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 164558260680 in words is "one hundred sixty-four billion, five hundred fifty-eight million, two hundred sixty thousand, six hundred eighty".