1600872256 has 14 divisors (see below), whose sum is σ = 3176731010. Its totient is φ = 800436096.

The previous prime is 1600872223. The next prime is 1600872257. The reversal of 1600872256 is 6522780061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1577678400 + 23193856 = 39720^2 + 4816^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600872257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506751 + ... + 12506878.

Almost surely, 2^1600872256 is an apocalyptic number.

1600872256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1600872256 is a deficient number, since it is larger than the sum of its proper divisors (1575858754).

1600872256 is an equidigital number, since it uses as much as digits as its factorization.

1600872256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25013641 (or 25013631 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1600872256 is about 40010.9017144078. The cubic root of 1600872256 is about 1169.8195976752.

The spelling of 1600872256 in words is "one billion, six hundred million, eight hundred seventy-two thousand, two hundred fifty-six".