164012514140 has 24 divisors (see below), whose sum is σ = 350072614752. Its totient is φ = 64529513280.

The previous prime is 164012514047. The next prime is 164012514199. The reversal of 164012514140 is 41415210461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67217024 + ... + 67219463.

It is an arithmetic number, because the mean of its divisors is an integer number (14586358948).

Almost surely, 2^164012514140 is an apocalyptic number.

164012514140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164012514140 is an abundant number, since it is smaller than the sum of its proper divisors (186060100612).

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

164012514140 is a wasteful number, since it uses less digits than its factorization.

164012514140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134436557 (or 134436555 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 164012514140 in words is "one hundred sixty-four billion, twelve million, five hundred fourteen thousand, one hundred forty".