1600206656 has 28 divisors (see below), whose sum is σ = 3227473860. Its totient is φ = 786984960.

The previous prime is 1600206653. The next prime is 1600206659. The reversal of 1600206656 is 6566020061.

It is an interprime number because it is at equal distance from previous prime (1600206653) and next prime (1600206659).

It can be written as a sum of positive squares in 2 ways, for example, as 902401600 + 697805056 = 30040^2 + 26416^2 .

It is a super-2 number, since 2×1600206656² = 5121322683813404672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600206653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201041 + ... + 208848.

Almost surely, 2^1600206656 is an apocalyptic number.

1600206656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1600206656 is an abundant number, since it is smaller than the sum of its proper divisors (1627267204).

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

1600206656 is an equidigital number, since it uses as much as digits as its factorization.

1600206656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409962 (or 409952 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1600206656 is about 40002.5831165939. The cubic root of 1600206656 is about 1169.6574486015.

The spelling of 1600206656 in words is "one billion, six hundred million, two hundred six thousand, six hundred fifty-six".