19903716162 has 54 divisors (see below), whose sum is σ = 47417235411. Its totient is φ = 6029433960.

The previous prime is 19903716097. The next prime is 19903716199. The reversal of 19903716162 is 26161730991.

It can be written as a sum of positive squares in only one way, i.e., 9951858081 + 9951858081 = 99759^2 + 99759^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=99759.

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, 6582583 + ... + 6585605.

Almost surely, 2^19903716162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19903716162

19903716162 is an abundant number, since it is smaller than the sum of its proper divisors (27513519249).

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

19903716162 is an equidigital number, since it uses as much as digits as its factorization.

19903716162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 19903716162 in words is "nineteen billion, nine hundred three million, seven hundred sixteen thousand, one hundred sixty-two".