1600664425 has 24 divisors (see below), whose sum is σ = 2079331200. Its totient is φ = 1220681280.

The previous prime is 1600664411. The next prime is 1600664453. The reversal of 1600664425 is 5244660061.

It is not a de Polignac number, because 1600664425 - 2¹¹ = 1600662377 is a prime.

It is a super-3 number, since 3×1600664425³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43302 + ... + 71248.

It is an arithmetic number, because the mean of its divisors is an integer number (86638800).

Almost surely, 2^1600664425 is an apocalyptic number.

It is an amenable number.

1600664425 is a deficient number, since it is larger than the sum of its proper divisors (478666775).

1600664425 is a wasteful number, since it uses less digits than its factorization.

1600664425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28065 (or 28060 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1600664425 is about 40008.3044504513. The cubic root of 1600664425 is about 1169.7689720871.

The spelling of 1600664425 in words is "one billion, six hundred million, six hundred sixty-four thousand, four hundred twenty-five".