65716162056 has 128 divisors (see below), whose sum is σ = 187625942400. Its totient is φ = 21296597760.

The previous prime is 65716162033. The next prime is 65716162067. The reversal of 65716162056 is 65026161756.

65716162056 is a `hidden beast` number, since 6 + 5 + 7 + 1 + 616 + 20 + 5 + 6 = 666.

65716162056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65716162056² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13911711 + ... + 13916433.

It is an arithmetic number, because the mean of its divisors is an integer number (1465827675).

Almost surely, 2^65716162056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65716162056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93812971200).

65716162056 is an abundant number, since it is smaller than the sum of its proper divisors (121909780344).

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

65716162056 is a wasteful number, since it uses less digits than its factorization.

65716162056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516 (or 6506 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 65716162056 in words is "sixty-five billion, seven hundred sixteen million, one hundred sixty-two thousand, fifty-six".