2661614614604 has 96 divisors (see below), whose sum is σ = 5604419842560. Its totient is φ = 1091766297600.

The previous prime is 2661614614579. The next prime is 2661614614619. The reversal of 2661614614604 is 4064164161662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4346762 + ... + 4921134.

It is an arithmetic number, because the mean of its divisors is an integer number (58379373360).

Almost surely, 2^{2661614614604} is an apocalyptic number.

It is an amenable number.

2661614614604 is an abundant number, since it is smaller than the sum of its proper divisors (2942805227956).

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

2661614614604 is a wasteful number, since it uses less digits than its factorization.

2661614614604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574671 (or 574669 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 2661614614604 in words is "two trillion, six hundred sixty-one billion, six hundred fourteen million, six hundred fourteen thousand, six hundred four".