65983838956 has 12 divisors (see below), whose sum is σ = 131967677968. Its totient is φ = 28278788112.

The previous prime is 65983838917. The next prime is 65983839001.

65983838956 is nontrivially palindromic in base 10.

65983838956 is an admirable number.

It is an unprimeable number.

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, 1178282811 + ... + 1178282866.

Almost surely, 2^65983838956 is an apocalyptic number.

It is an amenable number.

65983838956 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.

65983838956 is a wasteful number, since it uses less digits than its factorization.

65983838956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356565688 (or 2356565686 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 70.

The spelling of 65983838956 in words is "sixty-five billion, nine hundred eighty-three million, eight hundred thirty-eight thousand, nine hundred fifty-six".