6616276115904 has 784 divisors, whose sum is σ = 24373390399680. Its totient is φ = 1744762705920.

The previous prime is 6616276115887. The next prime is 6616276115941. The reversal of 6616276115904 is 4095116726166.

6616276115904 is a `hidden beast` number, since 6 + 6 + 1 + 627 + 6 + 1 + 1 + 5 + 9 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 717518014 + ... + 717527234.

Almost surely, 2^{6616276115904} is an apocalyptic number.

6616276115904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6616276115904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12186695199840).

6616276115904 is an abundant number, since it is smaller than the sum of its proper divisors (17757114283776).

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

6616276115904 is an frugal number, since it uses more digits than its factorization.

6616276115904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297 (or 9246 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 6616276115904 in words is "six trillion, six hundred sixteen billion, two hundred seventy-six million, one hundred fifteen thousand, nine hundred four".