65016001656165 has 16 divisors (see below), whose sum is σ = 118886403028608. Its totient is φ = 29721600757056.

The previous prime is 65016001656143. The next prime is 65016001656173. The reversal of 65016001656165 is 56165610061056.

It is not a de Polignac number, because 65016001656165 - 2³¹ = 65013854172517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309600007782 + ... + 309600007991.

It is an arithmetic number, because the mean of its divisors is an integer number (7430400189288).

Almost surely, 2^{65016001656165} is an apocalyptic number.

It is an amenable number.

65016001656165 is a deficient number, since it is larger than the sum of its proper divisors (53870401372443).

65016001656165 is a wasteful number, since it uses less digits than its factorization.

65016001656165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619200015788.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 65016001656165 in words is "sixty-five trillion, sixteen billion, one million, six hundred fifty-six thousand, one hundred sixty-five".