164475441520040 has 128 divisors (see below), whose sum is σ = 429260234054400. Its totient is φ = 55548504760320.

The previous prime is 164475441520031. The next prime is 164475441520099. The reversal of 164475441520040 is 40025144574461.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959844770 + ... + 960016110.

It is an arithmetic number, because the mean of its divisors is an integer number (3353595578550).

Almost surely, 2^{164475441520040} is an apocalyptic number.

164475441520040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164475441520040 is an abundant number, since it is smaller than the sum of its proper divisors (264784792534360).

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

164475441520040 is a wasteful number, since it uses less digits than its factorization.

164475441520040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222595 (or 222591 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 47.

The spelling of 164475441520040 in words is "one hundred sixty-four trillion, four hundred seventy-five billion, four hundred forty-one million, five hundred twenty thousand, forty".