2256891370367 has 8 divisors (see below), whose sum is σ = 2265993105024. Its totient is φ = 2247793578648.

The previous prime is 2256891370337. The next prime is 2256891370373. The reversal of 2256891370367 is 7630731986522.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2256891370367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256891370337) 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, 164048 + ... + 2130890.

It is an arithmetic number, because the mean of its divisors is an integer number (283249138128).

Almost surely, 2^{2256891370367} is an apocalyptic number.

2256891370367 is a deficient number, since it is larger than the sum of its proper divisors (9101734657).

2256891370367 is a wasteful number, since it uses less digits than its factorization.

2256891370367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971469.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 2256891370367 in words is "two trillion, two hundred fifty-six billion, eight hundred ninety-one million, three hundred seventy thousand, three hundred sixty-seven".