65937798994 has 16 divisors (see below), whose sum is σ = 103244405760. Its totient is φ = 31546896480.

The previous prime is 65937798973. The next prime is 65937799093. The reversal of 65937798994 is 49989773956.

It is a self number, because there is not a number n which added to its sum of digits gives 65937798994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5969274 + ... + 5980309.

It is an arithmetic number, because the mean of its divisors is an integer number (6452775360).

Almost surely, 2^65937798994 is an apocalyptic number.

65937798994 is a deficient number, since it is larger than the sum of its proper divisors (37306606766).

65937798994 is a wasteful number, since it uses less digits than its factorization.

65937798994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11949705.

The product of its digits is 925888320, while the sum is 76.

The spelling of 65937798994 in words is "sixty-five billion, nine hundred thirty-seven million, seven hundred ninety-eight thousand, nine hundred ninety-four".