164799803279 has 4 divisors (see below), whose sum is σ = 164809275120. Its totient is φ = 164790331440.

The previous prime is 164799803249. The next prime is 164799803299. The reversal of 164799803279 is 972308997461.

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

It is a cyclic number.

It is not a de Polignac number, because 164799803279 - 2¹⁶ = 164799737743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164799803249) 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, 4709774 + ... + 4744635.

It is an arithmetic number, because the mean of its divisors is an integer number (41202318780).

Almost surely, 2^164799803279 is an apocalyptic number.

164799803279 is a deficient number, since it is larger than the sum of its proper divisors (9471841).

164799803279 is an equidigital number, since it uses as much as digits as its factorization.

164799803279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471840.

The product of its (nonzero) digits is 41150592, while the sum is 65.

The spelling of 164799803279 in words is "one hundred sixty-four billion, seven hundred ninety-nine million, eight hundred three thousand, two hundred seventy-nine".