164996651 has 8 divisors (see below), whose sum is σ = 166363920. Its totient is φ = 163634688.

The previous prime is 164996621. The next prime is 164996659. The reversal of 164996651 is 156699461.

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 not a de Polignac number, because 164996651 - 2²² = 160802347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164996596 and 164996605.

It is not an unprimeable number, because it can be changed into a prime (164996659) 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, 80795 + ... + 82811.

It is an arithmetic number, because the mean of its divisors is an integer number (20795490).

Almost surely, 2^164996651 is an apocalyptic number.

164996651 is a deficient number, since it is larger than the sum of its proper divisors (1367269).

164996651 is a wasteful number, since it uses less digits than its factorization.

164996651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its digits is 349920, while the sum is 47.

The square root of 164996651 is about 12845.1022183554. The cubic root of 164996651 is about 548.4769443864.

The spelling of 164996651 in words is "one hundred sixty-four million, nine hundred ninety-six thousand, six hundred fifty-one".