616497794616 has 96 divisors (see below), whose sum is σ = 1735414909200. Its totient is φ = 182260953600.

The previous prime is 616497794611. The next prime is 616497794621.

616497794616 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (616497794611) and next prime (616497794621).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616497794611) 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, 2469871 + ... + 2707998.

Almost surely, 2^616497794616 is an apocalyptic number.

616497794616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

616497794616 is an abundant number, since it is smaller than the sum of its proper divisors (1118917114584).

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

616497794616 is a wasteful number, since it uses less digits than its factorization.

616497794616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177941 (or 5177926 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 66.

The spelling of 616497794616 in words is "six hundred sixteen billion, four hundred ninety-seven million, seven hundred ninety-four thousand, six hundred sixteen".