164179799 has 4 divisors (see below), whose sum is σ = 187634064. Its totient is φ = 140725536.

The previous prime is 164179753. The next prime is 164179823. The reversal of 164179799 is 997971461.

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

It is not a de Polignac number, because 164179799 - 2¹² = 164175703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164179799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164178799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11727122 + ... + 11727135.

It is an arithmetic number, because the mean of its divisors is an integer number (46908516).

Almost surely, 2^164179799 is an apocalyptic number.

164179799 is a deficient number, since it is larger than the sum of its proper divisors (23454265).

164179799 is an equidigital number, since it uses as much as digits as its factorization.

164179799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23454264.

The product of its digits is 857304, while the sum is 53.

The square root of 164179799 is about 12813.2665234124. The cubic root of 164179799 is about 547.5703282536.

The spelling of 164179799 in words is "one hundred sixty-four million, one hundred seventy-nine thousand, seven hundred ninety-nine".