65215007215166 has 8 divisors (see below), whose sum is σ = 97833510794424. Its totient is φ = 32603836950360.

The previous prime is 65215007215159. The next prime is 65215007215231. The reversal of 65215007215166 is 66151270051256.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65215007215166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833306380 + ... + 1833341951.

It is an arithmetic number, because the mean of its divisors is an integer number (12229188849303).

Almost surely, 2^{65215007215166} is an apocalyptic number.

65215007215166 is a deficient number, since it is larger than the sum of its proper divisors (32618503579258).

65215007215166 is a wasteful number, since it uses less digits than its factorization.

65215007215166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666657226.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 65215007215166 in words is "sixty-five trillion, two hundred fifteen billion, seven million, two hundred fifteen thousand, one hundred sixty-six".