65694377946 has 16 divisors (see below), whose sum is σ = 137101310784. Its totient is φ = 20946033504.

The previous prime is 65694377897. The next prime is 65694377999. The reversal of 65694377946 is 64977349656.

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, 238022971 + ... + 238023246.

It is an arithmetic number, because the mean of its divisors is an integer number (8568831924).

Almost surely, 2^65694377946 is an apocalyptic number.

65694377946 is an abundant number, since it is smaller than the sum of its proper divisors (71406932838).

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

65694377946 is a wasteful number, since it uses less digits than its factorization.

65694377946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476046245.

The product of its digits is 205752960, while the sum is 66.

The spelling of 65694377946 in words is "sixty-five billion, six hundred ninety-four million, three hundred seventy-seven thousand, nine hundred forty-six".