19642324160 has 56 divisors (see below), whose sum is σ = 48282124416. Its totient is φ = 7603476480.

The previous prime is 19642324159. The next prime is 19642324187. The reversal of 19642324160 is 6142324691.

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, 980117 + ... + 999956.

Almost surely, 2^19642324160 is an apocalyptic number.

19642324160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19642324160 is an abundant number, since it is smaller than the sum of its proper divisors (28639800256).

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

19642324160 is a wasteful number, since it uses less digits than its factorization.

19642324160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980121 (or 1980111 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 19642324160 in words is "nineteen billion, six hundred forty-two million, three hundred twenty-four thousand, one hundred sixty".