164275679 has 4 divisors (see below), whose sum is σ = 164340120. Its totient is φ = 164211240.

The previous prime is 164275649. The next prime is 164275687. The reversal of 164275679 is 976572461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164275679 is a prime.

It is a super-2 number, since 2×164275679² = 53972997421822082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164275619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28232 + ... + 33549.

It is an arithmetic number, because the mean of its divisors is an integer number (41085030).

Almost surely, 2^164275679 is an apocalyptic number.

164275679 is a deficient number, since it is larger than the sum of its proper divisors (64441).

164275679 is an equidigital number, since it uses as much as digits as its factorization.

164275679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64440.

The product of its digits is 635040, while the sum is 47.

The square root of 164275679 is about 12817.0074120288. The cubic root of 164275679 is about 547.6769000865.

The spelling of 164275679 in words is "one hundred sixty-four million, two hundred seventy-five thousand, six hundred seventy-nine".