299172164 has 6 divisors (see below), whose sum is σ = 523551294. Its totient is φ = 149586080.

The previous prime is 299172163. The next prime is 299172173. The reversal of 299172164 is 461271992.

It can be written as a sum of positive squares in only one way, i.e., 255744064 + 43428100 = 15992^2 + 6590^2 .

It is not an unprimeable number, because it can be changed into a prime (299172163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37396517 + ... + 37396524.

It is an arithmetic number, because the mean of its divisors is an integer number (87258549).

Almost surely, 2^299172164 is an apocalyptic number.

It is an amenable number.

299172164 is a deficient number, since it is larger than the sum of its proper divisors (224379130).

299172164 is a wasteful number, since it uses less digits than its factorization.

299172164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74793045 (or 74793043 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 299172164 is about 17296.5939999758. The cubic root of 299172164 is about 668.8166265002.

The spelling of 299172164 in words is "two hundred ninety-nine million, one hundred seventy-two thousand, one hundred sixty-four".