164276171975 has 12 divisors (see below), whose sum is σ = 203710435656. Its totient is φ = 131415787680.

The previous prime is 164276171953. The next prime is 164276171987. The reversal of 164276171975 is 579171672461.

It is not a de Polignac number, because 164276171975 - 2²⁴ = 164259394759 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164276171975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 603689 + ... + 832461.

It is an arithmetic number, because the mean of its divisors is an integer number (16975869638).

Almost surely, 2^164276171975 is an apocalyptic number.

164276171975 is a deficient number, since it is larger than the sum of its proper divisors (39434263681).

164276171975 is a wasteful number, since it uses less digits than its factorization.

164276171975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257506 (or 257501 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 56.

The spelling of 164276171975 in words is "one hundred sixty-four billion, two hundred seventy-six million, one hundred seventy-one thousand, nine hundred seventy-five".