6616402304 has 32 divisors (see below), whose sum is σ = 13361696040. Its totient is φ = 3262878720.

The previous prime is 6616402297. The next prime is 6616402307. The reversal of 6616402304 is 4032046166.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616402307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344702 + ... + 363389.

Almost surely, 2^6616402304 is an apocalyptic number.

6616402304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6616402304 is an abundant number, since it is smaller than the sum of its proper divisors (6745293736).

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

6616402304 is an equidigital number, since it uses as much as digits as its factorization.

6616402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708178 (or 708166 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6616402304 is about 81341.2706072385. The cubic root of 6616402304 is about 1877.3300624261.

The spelling of 6616402304 in words is "six billion, six hundred sixteen million, four hundred two thousand, three hundred four".