1601607744 has 84 divisors (see below), whose sum is σ = 5008077360. Its totient is φ = 485333760.

The previous prime is 1601607727. The next prime is 1601607773. The reversal of 1601607744 is 4477061061.

1601607744 is a `hidden beast` number, since 1 + 6 + 0 + 1 + 607 + 7 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1601607699 and 1601607708.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120054 + ... + 132725.

Almost surely, 2^1601607744 is an apocalyptic number.

It is an amenable number.

1601607744 is an abundant number, since it is smaller than the sum of its proper divisors (3406469616).

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

1601607744 is a wasteful number, since it uses less digits than its factorization.

1601607744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252808 (or 252795 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1601607744 is about 40020.0917540178. The cubic root of 1601607744 is about 1169.9987201389.

The spelling of 1601607744 in words is "one billion, six hundred one million, six hundred seven thousand, seven hundred forty-four".