4521656326516 has 48 divisors (see below), whose sum is σ = 9049303912320. Its totient is φ = 1936569323520.

The previous prime is 4521656326511. The next prime is 4521656326519. The reversal of 4521656326516 is 6156236561254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521656326511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501788451 + ... + 501797461.

It is an arithmetic number, because the mean of its divisors is an integer number (188527164840).

Almost surely, 2^{4521656326516} is an apocalyptic number.

It is an amenable number.

4521656326516 is an abundant number, since it is smaller than the sum of its proper divisors (4527647585804).

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

4521656326516 is a wasteful number, since it uses less digits than its factorization.

4521656326516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18904 (or 18902 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 52.

The spelling of 4521656326516 in words is "four trillion, five hundred twenty-one billion, six hundred fifty-six million, three hundred twenty-six thousand, five hundred sixteen".