1995963318 has 12 divisors (see below), whose sum is σ = 4324587228. Its totient is φ = 665321100.

The previous prime is 1995963301. The next prime is 1995963331. The reversal of 1995963318 is 8133695991.

1995963318 is a `hidden beast` number, since 1 + 9 + 9 + 596 + 33 + 18 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55443408 + ... + 55443443.

It is an arithmetic number, because the mean of its divisors is an integer number (360382269).

Almost surely, 2^1995963318 is an apocalyptic number.

1995963318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1995963318 is an abundant number, since it is smaller than the sum of its proper divisors (2328623910).

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

1995963318 is a wasteful number, since it uses less digits than its factorization.

1995963318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110886859 (or 110886856 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 1995963318 is about 44676.2052775300. The cubic root of 1995963318 is about 1259.0728288683.

The spelling of 1995963318 in words is "one billion, nine hundred ninety-five million, nine hundred sixty-three thousand, three hundred eighteen".