2979515666016 has 72 divisors (see below), whose sum is σ = 8841388898160. Its totient is φ = 949990500096.

The previous prime is 2979515665969. The next prime is 2979515666041. The reversal of 2979515666016 is 6106665159792.

2979515666016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224896431 + ... + 224909678.

It is an arithmetic number, because the mean of its divisors is an integer number (122797068030).

Almost surely, 2^{2979515666016} is an apocalyptic number.

It is an amenable number.

2979515666016 is an abundant number, since it is smaller than the sum of its proper divisors (5861873232144).

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

2979515666016 is a wasteful number, since it uses less digits than its factorization.

2979515666016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449806148 (or 449806137 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 63.

The spelling of 2979515666016 in words is "two trillion, nine hundred seventy-nine billion, five hundred fifteen million, six hundred sixty-six thousand, sixteen".