65950805956 has 12 divisors (see below), whose sum is σ = 131901611968. Its totient is φ = 28264631112.

The previous prime is 65950805953. The next prime is 65950805993.

65950805956 is nontrivially palindromic in base 10.

65950805956 is an admirable number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 65950805956.

It is not an unprimeable number, because it can be changed into a prime (65950805951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177692936 + ... + 1177692991.

Almost surely, 2^65950805956 is an apocalyptic number.

It is an amenable number.

65950805956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65950805956 is a wasteful number, since it uses less digits than its factorization.

65950805956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355385938 (or 2355385936 counting only the distinct ones).

The product of its (nonzero) digits is 14580000, while the sum is 58.

The spelling of 65950805956 in words is "sixty-five billion, nine hundred fifty million, eight hundred five thousand, nine hundred fifty-six".