19671696120 has 32 divisors (see below), whose sum is σ = 59015088720. Its totient is φ = 5245785600.

The previous prime is 19671696103. The next prime is 19671696211. The reversal of 19671696120 is 2169617691.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19671696120.

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, 81965281 + ... + 81965520.

Almost surely, 2^19671696120 is an apocalyptic number.

19671696120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19671696120 is an abundant number, since it is smaller than the sum of its proper divisors (39343392600).

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

19671696120 is a wasteful number, since it uses less digits than its factorization.

19671696120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163930815 (or 163930811 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The spelling of 19671696120 in words is "nineteen billion, six hundred seventy-one million, six hundred ninety-six thousand, one hundred twenty".