256600212671 has 32 divisors (see below), whose sum is σ = 294405331968. Its totient is φ = 221537427840.

The previous prime is 256600212653. The next prime is 256600212679. The reversal of 256600212671 is 176212006652.

It is a cyclic number.

It is not a de Polignac number, because 256600212671 - 2⁶ = 256600212607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256600212679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7117136 + ... + 7153098.

It is an arithmetic number, because the mean of its divisors is an integer number (9200166624).

Almost surely, 2^256600212671 is an apocalyptic number.

256600212671 is a deficient number, since it is larger than the sum of its proper divisors (37805119297).

256600212671 is a wasteful number, since it uses less digits than its factorization.

256600212671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36431.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 256600212671 in words is "two hundred fifty-six billion, six hundred million, two hundred twelve thousand, six hundred seventy-one".