1599797960 has 16 divisors (see below), whose sum is σ = 3599545500. Its totient is φ = 639919168.

The previous prime is 1599797923. The next prime is 1599797977. The reversal of 1599797960 is 697979951.

It can be written as a sum of positive squares in 2 ways, for example, as 1598880196 + 917764 = 39986^2 + 958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1599797893 and 1599797902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19997435 + ... + 19997514.

Almost surely, 2^1599797960 is an apocalyptic number.

1599797960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1599797960 is an abundant number, since it is smaller than the sum of its proper divisors (1999747540).

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

1599797960 is a wasteful number, since it uses less digits than its factorization.

1599797960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39994960 (or 39994956 counting only the distinct ones).

The product of its (nonzero) digits is 9644670, while the sum is 62.

The square root of 1599797960 is about 39997.4744202681. The cubic root of 1599797960 is about 1169.5578625008.

The spelling of 1599797960 in words is "one billion, five hundred ninety-nine million, seven hundred ninety-seven thousand, nine hundred sixty".