1916788034 has 16 divisors (see below), whose sum is σ = 3374731968. Its totient is φ = 799278192.

The previous prime is 1916788033. The next prime is 1916788043. The reversal of 1916788034 is 4308876191.

It is a self number, because there is not a number n which added to its sum of digits gives 1916788034.

It is not an unprimeable number, because it can be changed into a prime (1916788033) 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, 1849664 + ... + 1850699.

It is an arithmetic number, because the mean of its divisors is an integer number (210920748).

Almost surely, 2^1916788034 is an apocalyptic number.

1916788034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1916788034 is a deficient number, since it is larger than the sum of its proper divisors (1457943934).

1916788034 is a wasteful number, since it uses less digits than its factorization.

1916788034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700409.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1916788034 is about 43781.1378792283. The cubic root of 1916788034 is about 1242.1995374024.

The spelling of 1916788034 in words is "one billion, nine hundred sixteen million, seven hundred eighty-eight thousand, thirty-four".