256601136776702 has 8 divisors (see below), whose sum is σ = 384911620062312. Its totient is φ = 128297263422600.

The previous prime is 256601136776689. The next prime is 256601136776779. The reversal of 256601136776702 is 207677631106652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652385824 + ... + 1652541107.

It is an arithmetic number, because the mean of its divisors is an integer number (48113952507789).

Almost surely, 2^{256601136776702} is an apocalyptic number.

256601136776702 is a deficient number, since it is larger than the sum of its proper divisors (128310483285610).

256601136776702 is a wasteful number, since it uses less digits than its factorization.

256601136776702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304965754.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 256601136776702 in words is "two hundred fifty-six trillion, six hundred one billion, one hundred thirty-six million, seven hundred seventy-six thousand, seven hundred two".