2155476607616 has 64 divisors (see below), whose sum is σ = 4367413274400. Its totient is φ = 1059345853440.

The previous prime is 2155476607607. The next prime is 2155476607633. The reversal of 2155476607616 is 6167066745512.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119335226 + ... + 119353286.

Almost surely, 2^{2155476607616} is an apocalyptic number.

It is an amenable number.

2155476607616 is an abundant number, since it is smaller than the sum of its proper divisors (2211936666784).

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

2155476607616 is a wasteful number, since it uses less digits than its factorization.

2155476607616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33937 (or 33925 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 2155476607616 in words is "two trillion, one hundred fifty-five billion, four hundred seventy-six million, six hundred seven thousand, six hundred sixteen".