19625918196 has 48 divisors (see below), whose sum is σ = 46305705600. Its totient is φ = 6469112832.

The previous prime is 19625918153. The next prime is 19625918201. The reversal of 19625918196 is 69181952691.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

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, 578800 + ... + 611768.

It is an arithmetic number, because the mean of its divisors is an integer number (964702200).

Almost surely, 2^19625918196 is an apocalyptic number.

It is an amenable number.

19625918196 is an abundant number, since it is smaller than the sum of its proper divisors (26679787404).

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

19625918196 is a wasteful number, since it uses less digits than its factorization.

19625918196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33528 (or 33526 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 57.

The spelling of 19625918196 in words is "nineteen billion, six hundred twenty-five million, nine hundred eighteen thousand, one hundred ninety-six".