19116319900 has 36 divisors (see below), whose sum is σ = 43665703480. Its totient is φ = 7244078400.

The previous prime is 19116319877. The next prime is 19116319903. The reversal of 19116319900 is 991361191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19116319903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5028711 + ... + 5032510.

Almost surely, 2^19116319900 is an apocalyptic number.

19116319900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19116319900 is an abundant number, since it is smaller than the sum of its proper divisors (24549383580).

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

19116319900 is a wasteful number, since it uses less digits than its factorization.

19116319900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061254 (or 10061247 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 40.

The spelling of 19116319900 in words is "nineteen billion, one hundred sixteen million, three hundred nineteen thousand, nine hundred".