65116651051 has 4 divisors (see below), whose sum is σ = 65322066672. Its totient is φ = 64911235432.

The previous prime is 65116651049. The next prime is 65116651099. The reversal of 65116651051 is 15015661156.

65116651051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65116651051 - 2¹ = 65116651049 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 65116651051.

It is not an unprimeable number, because it can be changed into a prime (65116651001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102707335 + ... + 102707968.

It is an arithmetic number, because the mean of its divisors is an integer number (16330516668).

Almost surely, 2^65116651051 is an apocalyptic number.

65116651051 is a deficient number, since it is larger than the sum of its proper divisors (205415621).

65116651051 is a wasteful number, since it uses less digits than its factorization.

65116651051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205415620.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 65116651051 in words is "sixty-five billion, one hundred sixteen million, six hundred fifty-one thousand, fifty-one".