1600015872 has 160 divisors (see below), whose sum is σ = 5246664192. Its totient is φ = 421945344.

The previous prime is 1600015849. The next prime is 1600015883. The reversal of 1600015872 is 2785100061.

It is a congruent number.

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, 134053 + ... + 145499.

Almost surely, 2^1600015872 is an apocalyptic number.

1600015872 is a gapful number since it is divisible by the number (12) 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 1600015872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2623332096).

1600015872 is an abundant number, since it is smaller than the sum of its proper divisors (3646648320).

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

1600015872 is a wasteful number, since it uses less digits than its factorization.

1600015872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11488 (or 11472 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 1600015872 is about 40000.1983995080. The cubic root of 1600015872 is about 1169.6109627732.

The spelling of 1600015872 in words is "one billion, six hundred million, fifteen thousand, eight hundred seventy-two".