1916767394 has 8 divisors (see below), whose sum is σ = 2884517328. Its totient is φ = 955261620.

The previous prime is 1916767387. The next prime is 1916767429. The reversal of 1916767394 is 4937676191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560272 + ... + 1561499.

It is an arithmetic number, because the mean of its divisors is an integer number (360564666).

Almost surely, 2^1916767394 is an apocalyptic number.

1916767394 is a deficient number, since it is larger than the sum of its proper divisors (967749934).

1916767394 is a wasteful number, since it uses less digits than its factorization.

1916767394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122080.

The product of its digits is 1714608, while the sum is 53.

The square root of 1916767394 is about 43780.9021606453. The cubic root of 1916767394 is about 1242.1950787125.

The spelling of 1916767394 in words is "one billion, nine hundred sixteen million, seven hundred sixty-seven thousand, three hundred ninety-four".