164717975 has 12 divisors (see below), whose sum is σ = 204477240. Its totient is φ = 131628000.

The previous prime is 164717933. The next prime is 164717983. The reversal of 164717975 is 579717461.

It is not a de Polignac number, because 164717975 - 2¹⁸ = 164455831 is a prime.

It is a super-2 number, since 2×164717975² = 54264022576201250, which contains 22 as substring.

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, 23141 + ... + 29409.

It is an arithmetic number, because the mean of its divisors is an integer number (17039770).

Almost surely, 2^164717975 is an apocalyptic number.

164717975 is a deficient number, since it is larger than the sum of its proper divisors (39759265).

164717975 is a wasteful number, since it uses less digits than its factorization.

164717975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330 (or 7325 counting only the distinct ones).

The product of its digits is 370440, while the sum is 47.

The square root of 164717975 is about 12834.2500754816. The cubic root of 164717975 is about 548.1679815622.

The spelling of 164717975 in words is "one hundred sixty-four million, seven hundred seventeen thousand, nine hundred seventy-five".