2256016781594 has 8 divisors (see below), whose sum is σ = 3415071275220. Its totient is φ = 1117659689856.

The previous prime is 2256016781461. The next prime is 2256016781651. The reversal of 2256016781594 is 4951876106522.

It can be written as a sum of positive squares in 2 ways, for example, as 2178094850569 + 77921931025 = 1475837^2 + 279145^2 .

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

It is a super-2 number, since 2×2256016781594² (a number of 26 digits) contains 22 as substring.

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, 5174350199 + ... + 5174350634.

Almost surely, 2^{2256016781594} is an apocalyptic number.

2256016781594 is a deficient number, since it is larger than the sum of its proper divisors (1159054493626).

2256016781594 is a wasteful number, since it uses less digits than its factorization.

2256016781594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10348700944.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 2256016781594 in words is "two trillion, two hundred fifty-six billion, sixteen million, seven hundred eighty-one thousand, five hundred ninety-four".