16521014622 has 16 divisors (see below), whose sum is σ = 37762319232. Its totient is φ = 4720289880.

The previous prime is 16521014617. The next prime is 16521014639. The reversal of 16521014622 is 22641012561.

It is a self number, because there is not a number n which added to its sum of digits gives 16521014622.

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, 196678704 + ... + 196678787.

It is an arithmetic number, because the mean of its divisors is an integer number (2360144952).

Almost surely, 2^16521014622 is an apocalyptic number.

16521014622 is an abundant number, since it is smaller than the sum of its proper divisors (21241304610).

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

16521014622 is a wasteful number, since it uses less digits than its factorization.

16521014622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393357503.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 16521014622 in words is "sixteen billion, five hundred twenty-one million, fourteen thousand, six hundred twenty-two".