65165001564979 has 8 divisors (see below), whose sum is σ = 65186813416032. Its totient is φ = 65143191936960.

The previous prime is 65165001564967. The next prime is 65165001565033. The reversal of 65165001564979 is 97946510056156.

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 65165001564979 - 2⁵ = 65165001564947 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 65165001564979.

It is not an unprimeable number, because it can be changed into a prime (65165001504979) 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, 59151474 + ... + 60243064.

It is an arithmetic number, because the mean of its divisors is an integer number (8148351677004).

Almost surely, 2^{65165001564979} is an apocalyptic number.

65165001564979 is a deficient number, since it is larger than the sum of its proper divisors (21811851053).

65165001564979 is a wasteful number, since it uses less digits than its factorization.

65165001564979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111517.

The product of its (nonzero) digits is 61236000, while the sum is 64.

The spelling of 65165001564979 in words is "sixty-five trillion, one hundred sixty-five billion, one million, five hundred sixty-four thousand, nine hundred seventy-nine".