65907007922 has 18 divisors (see below), whose sum is σ = 115005438333. Its totient is φ = 28244771352.

The previous prime is 65907007919. The next prime is 65907007937. The reversal of 65907007922 is 22970070956.

It is a happy number.

65907007922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 60241284481 + 5665723441 = 245441^2 + 75271^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=181531.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2528468 + ... + 2554400.

Almost surely, 2^65907007922 is an apocalyptic number.

65907007922 is a deficient number, since it is larger than the sum of its proper divisors (49098430411).

65907007922 is an frugal number, since it uses more digits than its factorization.

65907007922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51882 (or 25942 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 65907007922 in words is "sixty-five billion, nine hundred seven million, seven thousand, nine hundred twenty-two".