164489305375 has 16 divisors (see below), whose sum is σ = 211904679168. Its totient is φ = 127346556000.

The previous prime is 164489305327. The next prime is 164489305417. The reversal of 164489305375 is 573503984461.

It is a happy number.

It is not a de Polignac number, because 164489305375 - 2⁷ = 164489305247 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 21220552 + ... + 21228301.

It is an arithmetic number, because the mean of its divisors is an integer number (13244042448).

Almost surely, 2^164489305375 is an apocalyptic number.

164489305375 is a deficient number, since it is larger than the sum of its proper divisors (47415373793).

164489305375 is an equidigital number, since it uses as much as digits as its factorization.

164489305375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42448899 (or 42448889 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 164489305375 in words is "one hundred sixty-four billion, four hundred eighty-nine million, three hundred five thousand, three hundred seventy-five".