2668002961628 has 24 divisors (see below), whose sum is σ = 4964165658144. Its totient is φ = 1250321126400.

The previous prime is 2668002961583. The next prime is 2668002961649. The reversal of 2668002961628 is 8261692008662.

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, 81384728 + ... + 81417503.

It is an arithmetic number, because the mean of its divisors is an integer number (206840235756).

Almost surely, 2^{2668002961628} is an apocalyptic number.

It is an amenable number.

2668002961628 is a deficient number, since it is larger than the sum of its proper divisors (2296162696516).

2668002961628 is a wasteful number, since it uses less digits than its factorization.

2668002961628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162802493 (or 162802491 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 2668002961628 in words is "two trillion, six hundred sixty-eight billion, two million, nine hundred sixty-one thousand, six hundred twenty-eight".