1600563444 has 12 divisors (see below), whose sum is σ = 3734648064. Its totient is φ = 533521144.

The previous prime is 1600563359. The next prime is 1600563467. The reversal of 1600563444 is 4443650061.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1600563444² = 5123606676538282272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66690132 + ... + 66690155.

It is an arithmetic number, because the mean of its divisors is an integer number (311220672).

Almost surely, 2^1600563444 is an apocalyptic number.

It is an amenable number.

1600563444 is an abundant number, since it is smaller than the sum of its proper divisors (2134084620).

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

1600563444 is a wasteful number, since it uses less digits than its factorization.

1600563444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133380294 (or 133380292 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1600563444 is about 40007.0424300522. The cubic root of 1600563444 is about 1169.7443725264.

The spelling of 1600563444 in words is "one billion, six hundred million, five hundred sixty-three thousand, four hundred forty-four".