1599161536 has 112 divisors (see below), whose sum is σ = 3780495360. Its totient is φ = 656732160.

The previous prime is 1599161533. The next prime is 1599161537. The reversal of 1599161536 is 6351619951.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (1599161533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1568835 + ... + 1569853.

Almost surely, 2^1599161536 is an apocalyptic number.

1599161536 is a gapful number since it is divisible by the number (16) 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 1599161536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890247680).

1599161536 is an abundant number, since it is smaller than the sum of its proper divisors (2181333824).

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

1599161536 is a wasteful number, since it uses less digits than its factorization.

1599161536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1172 counting only the distinct ones).

The product of its digits is 218700, while the sum is 46.

The square root of 1599161536 is about 39989.5178265505. The cubic root of 1599161536 is about 1169.4027526190.

The spelling of 1599161536 in words is "one billion, five hundred ninety-nine million, one hundred sixty-one thousand, five hundred thirty-six".