1600881120 has 72 divisors (see below), whose sum is σ = 5463011736. Its totient is φ = 426901248.

The previous prime is 1600881103. The next prime is 1600881127. The reversal of 1600881120 is 211880061.

1600881120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600881127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554422 + ... + 557301.

It is an arithmetic number, because the mean of its divisors is an integer number (75875163).

Almost surely, 2^1600881120 is an apocalyptic number.

1600881120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600881120 is an abundant number, since it is smaller than the sum of its proper divisors (3862130616).

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

1600881120 is a wasteful number, since it uses less digits than its factorization.

1600881120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111744 (or 1111733 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 1600881120 is about 40011.0124840649. The cubic root of 1600881120 is about 1169.8217567611.

The spelling of 1600881120 in words is "one billion, six hundred million, eight hundred eighty-one thousand, one hundred twenty".