65693239656 has 48 divisors (see below), whose sum is σ = 180520687200. Its totient is φ = 19907041440.

The previous prime is 65693239649. The next prime is 65693239663.

65693239656 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (65693239649) and next prime (65693239663).

It is a self number, because there is not a number n which added to its sum of digits gives 65693239656.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11307916 + ... + 11313723.

It is an arithmetic number, because the mean of its divisors is an integer number (3760847650).

Almost surely, 2^65693239656 is an apocalyptic number.

65693239656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65693239656 is an abundant number, since it is smaller than the sum of its proper divisors (114827447544).

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

65693239656 is a wasteful number, since it uses less digits than its factorization.

65693239656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22621670 (or 22621655 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 60.

The spelling of 65693239656 in words is "sixty-five billion, six hundred ninety-three million, two hundred thirty-nine thousand, six hundred fifty-six".