164994659 has 8 divisors (see below), whose sum is σ = 170836560. Its totient is φ = 159162976.

The previous prime is 164994649. The next prime is 164994667. The reversal of 164994659 is 956499461.

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-164994659 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 164994659.

It is not an unprimeable number, because it can be changed into a prime (164994649) 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, 46637 + ... + 50049.

It is an arithmetic number, because the mean of its divisors is an integer number (21354570).

Almost surely, 2^164994659 is an apocalyptic number.

164994659 is a deficient number, since it is larger than the sum of its proper divisors (5841901).

164994659 is a wasteful number, since it uses less digits than its factorization.

164994659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109.

The product of its digits is 2099520, while the sum is 53.

The square root of 164994659 is about 12845.0246788397. The cubic root of 164994659 is about 548.4747371285.

The spelling of 164994659 in words is "one hundred sixty-four million, nine hundred ninety-four thousand, six hundred fifty-nine".