19675668612 has 24 divisors (see below), whose sum is σ = 45932140800. Its totient is φ = 6555378016.

The previous prime is 19675668587. The next prime is 19675668737. The reversal of 19675668612 is 21686657691.

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, 371412 + ... + 421067.

It is an arithmetic number, because the mean of its divisors is an integer number (1913839200).

Almost surely, 2^19675668612 is an apocalyptic number.

19675668612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19675668612 is an abundant number, since it is smaller than the sum of its proper divisors (26256472188).

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

19675668612 is a wasteful number, since it uses less digits than its factorization.

19675668612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794555 (or 794553 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 57.

The spelling of 19675668612 in words is "nineteen billion, six hundred seventy-five million, six hundred sixty-eight thousand, six hundred twelve".