256100146600 has 24 divisors (see below), whose sum is σ = 595432841310. Its totient is φ = 102440058560.

The previous prime is 256100146579. The next prime is 256100146607. The reversal of 256100146600 is 6641001652.

It can be written as a sum of positive squares in 3 ways, for example, as 245910859236 + 10189287364 = 495894^2 + 100942^2 .

It is not an unprimeable number, because it can be changed into a prime (256100146607) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 640250167 + ... + 640250566.

Almost surely, 2^256100146600 is an apocalyptic number.

256100146600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256100146600 is an abundant number, since it is smaller than the sum of its proper divisors (339332694710).

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

256100146600 is a wasteful number, since it uses less digits than its factorization.

256100146600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280500749 (or 1280500740 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 256100146600 in words is "two hundred fifty-six billion, one hundred million, one hundred forty-six thousand, six hundred".