164907427575 has 96 divisors (see below), whose sum is σ = 303938832384. Its totient is φ = 78223600000.

The previous prime is 164907427501. The next prime is 164907427579. The reversal of 164907427575 is 575724709461.

It is not a de Polignac number, because 164907427575 - 2⁹ = 164907427063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164907427579) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7662580 + ... + 7684070.

It is an arithmetic number, because the mean of its divisors is an integer number (3166029504).

Almost surely, 2^164907427575 is an apocalyptic number.

164907427575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164907427575 is a deficient number, since it is larger than the sum of its proper divisors (139031404809).

164907427575 is a wasteful number, since it uses less digits than its factorization.

164907427575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21717 (or 21712 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 164907427575 in words is "one hundred sixty-four billion, nine hundred seven million, four hundred twenty-seven thousand, five hundred seventy-five".