616968869616 has 120 divisors (see below), whose sum is σ = 1994426192304. Its totient is φ = 175962593280.

The previous prime is 616968869567. The next prime is 616968869689.

616968869616 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11428971 + ... + 11482826.

Almost surely, 2^616968869616 is an apocalyptic number.

616968869616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

616968869616 is an abundant number, since it is smaller than the sum of its proper divisors (1377457322688).

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

616968869616 is a wasteful number, since it uses less digits than its factorization.

616968869616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22911839 (or 22911830 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The spelling of 616968869616 in words is "six hundred sixteen billion, nine hundred sixty-eight million, eight hundred sixty-nine thousand, six hundred sixteen".