19913160996 has 81 divisors (see below), whose sum is σ = 52195984113. Its totient is φ = 6400931040.

The previous prime is 19913160941. The next prime is 19913161003. The reversal of 19913160996 is 69906131991.

The square root of 19913160996 is 141114.

It is a perfect power (a square), and thus also a powerful number.

19913160996 is a `hidden beast` number, since 19 + 9 + 13 + 1 + 609 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10441978596 + 9471182400 = 102186^2 + 97320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24553431 + ... + 24554241.

Almost surely, 2^19913160996 is an apocalyptic number.

19913160996 is the 141114-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19913160996

19913160996 is an abundant number, since it is smaller than the sum of its proper divisors (32282823117).

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

19913160996 is an equidigital number, since it uses as much as digits as its factorization.

19913160996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 54.

The spelling of 19913160996 in words is "nineteen billion, nine hundred thirteen million, one hundred sixty thousand, nine hundred ninety-six".