22051660516 has 24 divisors (see below), whose sum is σ = 38672030880. Its totient is φ = 11002536000.

The previous prime is 22051660507. The next prime is 22051660529. The reversal of 22051660516 is 61506615022.

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, 4952091 + ... + 4956541.

It is an arithmetic number, because the mean of its divisors is an integer number (1611334620).

Almost surely, 2^22051660516 is an apocalyptic number.

It is an amenable number.

22051660516 is a deficient number, since it is larger than the sum of its proper divisors (16620370364).

22051660516 is a wasteful number, since it uses less digits than its factorization.

22051660516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795 (or 6793 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 22051660516 in words is "twenty-two billion, fifty-one million, six hundred sixty thousand, five hundred sixteen".