164988375 has 16 divisors (see below), whose sum is σ = 274541280. Its totient is φ = 87993600.

The previous prime is 164988331. The next prime is 164988379. The reversal of 164988375 is 573889461.

It is not a de Polignac number, because 164988375 - 2¹⁹ = 164464087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164988379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219610 + ... + 220359.

It is an arithmetic number, because the mean of its divisors is an integer number (17158830).

Almost surely, 2^164988375 is an apocalyptic number.

164988375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164988375 is a deficient number, since it is larger than the sum of its proper divisors (109552905).

164988375 is an equidigital number, since it uses as much as digits as its factorization.

164988375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439987 (or 439977 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 164988375 is about 12844.7800681833. The cubic root of 164988375 is about 548.4677739557.

The spelling of 164988375 in words is "one hundred sixty-four million, nine hundred eighty-eight thousand, three hundred seventy-five".