2521622445016 has 16 divisors (see below), whose sum is σ = 4891078018800. Its totient is φ = 1217334973344.

The previous prime is 2521622444981. The next prime is 2521622445031. The reversal of 2521622445016 is 6105442261252.

It is a self number, because there is not a number n which added to its sum of digits gives 2521622445016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5434530900 + ... + 5434531363.

It is an arithmetic number, because the mean of its divisors is an integer number (305692376175).

Almost surely, 2^{2521622445016} is an apocalyptic number.

It is an amenable number.

2521622445016 is a deficient number, since it is larger than the sum of its proper divisors (2369455573784).

2521622445016 is a wasteful number, since it uses less digits than its factorization.

2521622445016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869062298 (or 10869062294 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 2521622445016 in words is "two trillion, five hundred twenty-one billion, six hundred twenty-two million, four hundred forty-five thousand, sixteen".