164192899 has 8 divisors (see below), whose sum is σ = 176929200. Its totient is φ = 151471776.

The previous prime is 164192869. The next prime is 164192909. The reversal of 164192899 is 998291461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164192899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164192849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29652 + ... + 34750.

It is an arithmetic number, because the mean of its divisors is an integer number (22116150).

Almost surely, 2^164192899 is an apocalyptic number.

164192899 is a deficient number, since it is larger than the sum of its proper divisors (12736301).

164192899 is a wasteful number, since it uses less digits than its factorization.

164192899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589.

The product of its digits is 279936, while the sum is 49.

The square root of 164192899 is about 12813.7777021455. Note that the first 4 decimals coincide. The cubic root of 164192899 is about 547.5848915161.

The spelling of 164192899 in words is "one hundred sixty-four million, one hundred ninety-two thousand, eight hundred ninety-nine".