1600397568 has 576 divisors, whose sum is σ = 6153584640. Its totient is φ = 398131200.

The previous prime is 1600397507. The next prime is 1600397639. The reversal of 1600397568 is 8657930061.

It is a happy number.

1600397568 is a `hidden beast` number, since 1 + 600 + 39 + 7 + 5 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×1600397568² = 5122544751320629248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16498896 + ... + 16498992.

Almost surely, 2^1600397568 is an apocalyptic number.

1600397568 is a gapful number since it is divisible by the number (18) 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 1600397568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3076792320).

1600397568 is an abundant number, since it is smaller than the sum of its proper divisors (4553187072).

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

1600397568 is a wasteful number, since it uses less digits than its factorization.

1600397568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1600397568 is about 40004.9692913268. The cubic root of 1600397568 is about 1169.7039619195.

The spelling of 1600397568 in words is "one billion, six hundred million, three hundred ninety-seven thousand, five hundred sixty-eight".