2664651266016 has 48 divisors (see below), whose sum is σ = 7010938706688. Its totient is φ = 886156246400.

The previous prime is 2664651265967. The next prime is 2664651266041. The reversal of 2664651266016 is 6106621564662.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2664651266016.

It is a congruent number.

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, 32159070 + ... + 32241821.

It is an arithmetic number, because the mean of its divisors is an integer number (146061223056).

Almost surely, 2^{2664651266016} is an apocalyptic number.

It is an amenable number.

2664651266016 is an abundant number, since it is smaller than the sum of its proper divisors (4346287440672).

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

2664651266016 is a wasteful number, since it uses less digits than its factorization.

2664651266016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64401335 (or 64401327 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 2664651266016 in words is "two trillion, six hundred sixty-four billion, six hundred fifty-one million, two hundred sixty-six thousand, sixteen".