65215722162 has 8 divisors (see below), whose sum is σ = 130431444336. Its totient is φ = 21738574052.

The previous prime is 65215722149. The next prime is 65215722193. The reversal of 65215722162 is 26122751256.

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

65215722162 is an admirable number.

It is a super-2 number, since 2×65215722162² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65215722162.

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, 5434643508 + ... + 5434643519.

It is an arithmetic number, because the mean of its divisors is an integer number (16303930542).

Almost surely, 2^65215722162 is an apocalyptic number.

65215722162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65215722162 is a wasteful number, since it uses less digits than its factorization.

65215722162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869287032.

The product of its digits is 100800, while the sum is 39.

The spelling of 65215722162 in words is "sixty-five billion, two hundred fifteen million, seven hundred twenty-two thousand, one hundred sixty-two".