1916776012 has 24 divisors (see below), whose sum is σ = 3532390400. Its totient is φ = 907564176.

The previous prime is 1916776007. The next prime is 1916776019. The reversal of 1916776012 is 2106776191.

It is not an unprimeable number, because it can be changed into a prime (1916776019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268789 + ... + 275827.

Almost surely, 2^1916776012 is an apocalyptic number.

It is an amenable number.

1916776012 is a deficient number, since it is larger than the sum of its proper divisors (1615614388).

1916776012 is a wasteful number, since it uses less digits than its factorization.

1916776012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645 (or 10643 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 1916776012 is about 43781.0005824444. Note that the first 3 decimals coincide. The cubic root of 1916776012 is about 1242.1969403922.

The spelling of 1916776012 in words is "one billion, nine hundred sixteen million, seven hundred seventy-six thousand, twelve".