2655616665012 has 24 divisors (see below), whose sum is σ = 6199879490112. Its totient is φ = 884714040000.

The previous prime is 2655616664993. The next prime is 2655616665067. The reversal of 2655616665012 is 2105666165562.

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, 61416864 + ... + 61460087.

It is an arithmetic number, because the mean of its divisors is an integer number (258328312088).

Almost surely, 2^{2655616665012} is an apocalyptic number.

It is an amenable number.

2655616665012 is an abundant number, since it is smaller than the sum of its proper divisors (3544262825100).

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

2655616665012 is a wasteful number, since it uses less digits than its factorization.

2655616665012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122878759 (or 122878757 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 2655616665012 in words is "two trillion, six hundred fifty-five billion, six hundred sixteen million, six hundred sixty-five thousand, twelve".