1599994120 has 64 divisors (see below), whose sum is σ = 3644352000. Its totient is φ = 632153088.

The previous prime is 1599994091. The next prime is 1599994141. The reversal of 1599994120 is 214999951.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2164711 + ... + 2165449.

It is an arithmetic number, because the mean of its divisors is an integer number (56943000).

Almost surely, 2^1599994120 is an apocalyptic number.

1599994120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1599994120 is an abundant number, since it is smaller than the sum of its proper divisors (2044357880).

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

1599994120 is a wasteful number, since it uses less digits than its factorization.

1599994120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 49.

The square root of 1599994120 is about 39999.9264999325. The cubic root of 1599994120 is about 1169.6056625147.

The spelling of 1599994120 in words is "one billion, five hundred ninety-nine million, nine hundred ninety-four thousand, one hundred twenty".