19628926662 has 32 divisors (see below), whose sum is σ = 40976103168. Its totient is φ = 6256758816.

The previous prime is 19628926637. The next prime is 19628926679. The reversal of 19628926662 is 26662982691.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534648 + ... + 570180.

It is an arithmetic number, because the mean of its divisors is an integer number (1280503224).

Almost surely, 2^19628926662 is an apocalyptic number.

19628926662 is an abundant number, since it is smaller than the sum of its proper divisors (21347176506).

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

19628926662 is a wasteful number, since it uses less digits than its factorization.

19628926662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39564.

The product of its digits is 6718464, while the sum is 57.

The spelling of 19628926662 in words is "nineteen billion, six hundred twenty-eight million, nine hundred twenty-six thousand, six hundred sixty-two".