256612226146730 has 16 divisors (see below), whose sum is σ = 463973316516864. Its totient is φ = 102184599469200.

The previous prime is 256612226146711. The next prime is 256612226146733. The reversal of 256612226146730 is 37641622216652.

It is not an unprimeable number, because it can be changed into a prime (256612226146733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57536371346 + ... + 57536375805.

It is an arithmetic number, because the mean of its divisors is an integer number (28998332282304).

Almost surely, 2^{256612226146730} is an apocalyptic number.

256612226146730 is a deficient number, since it is larger than the sum of its proper divisors (207361090370134).

256612226146730 is a wasteful number, since it uses less digits than its factorization.

256612226146730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115072747381.

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 256612226146730 in words is "two hundred fifty-six trillion, six hundred twelve billion, two hundred twenty-six million, one hundred forty-six thousand, seven hundred thirty".