2616309680 has 20 divisors (see below), whose sum is σ = 6082920192. Its totient is φ = 1046523840.

The previous prime is 2616309659. The next prime is 2616309691. The reversal of 2616309680 is 869036162.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16351856 + ... + 16352015.

Almost surely, 2^2616309680 is an apocalyptic number.

2616309680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2616309680 is an abundant number, since it is smaller than the sum of its proper divisors (3466610512).

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

2616309680 is a wasteful number, since it uses less digits than its factorization.

2616309680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32703884 (or 32703878 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2616309680 is about 51149.8746821534. The cubic root of 2616309680 is about 1377.9381236861.

The spelling of 2616309680 in words is "two billion, six hundred sixteen million, three hundred nine thousand, six hundred eighty".