1599968000 has 72 divisors (see below), whose sum is σ = 3985800000. Its totient is φ = 639974400.

The previous prime is 1599967987. The next prime is 1599968087. The reversal of 1599968000 is 8699951.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7001 + ... + 56999.

Almost surely, 2^1599968000 is an apocalyptic number.

1599968000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1599968000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1992900000).

1599968000 is an abundant number, since it is smaller than the sum of its proper divisors (2385832000).

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

1599968000 is an frugal number, since it uses more digits than its factorization.

1599968000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50030 (or 50006 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 1599968000 is about 39999.5999980000. The cubic root of 1599968000 is about 1169.5992978525.

The spelling of 1599968000 in words is "one billion, five hundred ninety-nine million, nine hundred sixty-eight thousand".