1919715116 has 24 divisors (see below), whose sum is σ = 3668744016. Its totient is φ = 871685120.

The previous prime is 1919715073. The next prime is 1919715131. The reversal of 1919715116 is 6115179191.

It is a super-2 number, since 2×1919715116² = 7370612253197786912, which contains 22 as substring.

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, 20660 + ... + 65316.

It is an arithmetic number, because the mean of its divisors is an integer number (152864334).

Almost surely, 2^1919715116 is an apocalyptic number.

It is an amenable number.

1919715116 is a deficient number, since it is larger than the sum of its proper divisors (1749028900).

1919715116 is a wasteful number, since it uses less digits than its factorization.

1919715116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45649 (or 45647 counting only the distinct ones).

The product of its digits is 17010, while the sum is 41.

The square root of 1919715116 is about 43814.5537007967. The cubic root of 1919715116 is about 1242.8315270614.

The spelling of 1919715116 in words is "one billion, nine hundred nineteen million, seven hundred fifteen thousand, one hundred sixteen".