68961153744 has 120 divisors (see below), whose sum is σ = 220644524672. Its totient is φ = 19696193280.

The previous prime is 68961153743. The next prime is 68961153773. The reversal of 68961153744 is 44735116986.

68961153744 is a `hidden beast` number, since 6 + 8 + 9 + 61 + 1 + 537 + 44 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68961153743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3268509 + ... + 3289539.

Almost surely, 2^68961153744 is an apocalyptic number.

It is an amenable number.

68961153744 is an abundant number, since it is smaller than the sum of its proper divisors (151683370928).

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

68961153744 is a wasteful number, since it uses less digits than its factorization.

68961153744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24305 (or 24296 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 68961153744 in words is "sixty-eight billion, nine hundred sixty-one million, one hundred fifty-three thousand, seven hundred forty-four".