1916387322 has 48 divisors (see below), whose sum is σ = 4079248992. Its totient is φ = 600075520.

The previous prime is 1916387299. The next prime is 1916387359. The reversal of 1916387322 is 2237836191.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1755997 + ... + 1757087.

It is an arithmetic number, because the mean of its divisors is an integer number (84984354).

Almost surely, 2^1916387322 is an apocalyptic number.

1916387322 is an abundant number, since it is smaller than the sum of its proper divisors (2162861670).

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

1916387322 is a wasteful number, since it uses less digits than its factorization.

1916387322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143 (or 2126 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 1916387322 is about 43776.5613313791. The cubic root of 1916387322 is about 1242.1129691534.

The spelling of 1916387322 in words is "one billion, nine hundred sixteen million, three hundred eighty-seven thousand, three hundred twenty-two".