1916325320 has 96 divisors (see below), whose sum is σ = 5401582200. Its totient is φ = 606477312.

The previous prime is 1916325317. The next prime is 1916325329. The reversal of 1916325320 is 235236191.

It can be written as a sum of positive squares in 4 ways, for example, as 1633614724 + 282710596 = 40418^2 + 16814^2 .

It is not an unprimeable number, because it can be changed into a prime (1916325329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12125 + ... + 63084.

Almost surely, 2^1916325320 is an apocalyptic number.

1916325320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1916325320 is an abundant number, since it is smaller than the sum of its proper divisors (3485256880).

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

1916325320 is a wasteful number, since it uses less digits than its factorization.

1916325320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75247 (or 75236 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1916325320 is about 43775.8531613034. The cubic root of 1916325320 is about 1242.0995734064.

The spelling of 1916325320 in words is "one billion, nine hundred sixteen million, three hundred twenty-five thousand, three hundred twenty".