16530100256 has 12 divisors (see below), whose sum is σ = 32543634942. Its totient is φ = 8265050112.

The previous prime is 16530100247. The next prime is 16530100289. The reversal of 16530100256 is 65200103561.

It can be written as a sum of positive squares in only one way, i.e., 12964099600 + 3566000656 = 113860^2 + 59716^2 .

It is a super-2 number, since 2×16530100256² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258282785 + ... + 258282848.

Almost surely, 2^16530100256 is an apocalyptic number.

16530100256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16530100256 is a deficient number, since it is larger than the sum of its proper divisors (16013534686).

16530100256 is an equidigital number, since it uses as much as digits as its factorization.

16530100256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516565643 (or 516565635 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 16530100256 in words is "sixteen billion, five hundred thirty million, one hundred thousand, two hundred fifty-six".