1601110944 has 36 divisors (see below), whose sum is σ = 4553160066. Its totient is φ = 533703552.

The previous prime is 1601110913. The next prime is 1601110957. The reversal of 1601110944 is 4490111061.

1601110944 is a `hidden beast` number, since 1 + 601 + 1 + 10 + 9 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1232010000 + 369100944 = 35100^2 + 19212^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1601110944² = 5127112509993142272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2779419 + ... + 2779994.

Almost surely, 2^1601110944 is an apocalyptic number.

It is an amenable number.

1601110944 is an abundant number, since it is smaller than the sum of its proper divisors (2952049122).

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

1601110944 is a wasteful number, since it uses less digits than its factorization.

1601110944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559429 (or 5559418 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1601110944 is about 40013.8843902963. The cubic root of 1601110944 is about 1169.8777343198.

The spelling of 1601110944 in words is "one billion, six hundred one million, one hundred ten thousand, nine hundred forty-four".