1920608318 has 16 divisors (see below), whose sum is σ = 2906075040. Its totient is φ = 951945696.

The previous prime is 1920608311. The next prime is 1920608323. The reversal of 1920608318 is 8138060291.

It is a super-2 number, since 2×1920608318² = 7377472622341578248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920608311) 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, 130880 + ... + 144812.

It is an arithmetic number, because the mean of its divisors is an integer number (181629690).

Almost surely, 2^1920608318 is an apocalyptic number.

1920608318 is a deficient number, since it is larger than the sum of its proper divisors (985466722).

1920608318 is a wasteful number, since it uses less digits than its factorization.

1920608318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14531.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1920608318 is about 43824.7454984054. The cubic root of 1920608318 is about 1243.0242514006.

The spelling of 1920608318 in words is "one billion, nine hundred twenty million, six hundred eight thousand, three hundred eighteen".