164792873 has 4 divisors (see below), whose sum is σ = 188334720. Its totient is φ = 141251028.

The previous prime is 164792867. The next prime is 164792879. The reversal of 164792873 is 378297461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378297461 = 73 ⋅5182157.

It is an interprime number because it is at equal distance from previous prime (164792867) and next prime (164792879).

It is a cyclic number.

It is not a de Polignac number, because 164792873 - 2⁶ = 164792809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164792879) 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, 11770913 + ... + 11770926.

It is an arithmetic number, because the mean of its divisors is an integer number (47083680).

Almost surely, 2^164792873 is an apocalyptic number.

It is an amenable number.

164792873 is a deficient number, since it is larger than the sum of its proper divisors (23541847).

164792873 is an equidigital number, since it uses as much as digits as its factorization.

164792873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23541846.

The product of its digits is 508032, while the sum is 47.

The square root of 164792873 is about 12837.1676393198. The cubic root of 164792873 is about 548.2510537834.

The spelling of 164792873 in words is "one hundred sixty-four million, seven hundred ninety-two thousand, eight hundred seventy-three".