2256168365 has 16 divisors (see below), whose sum is σ = 2965904640. Its totient is φ = 1633974720.

The previous prime is 2256168323. The next prime is 2256168373. The reversal of 2256168365 is 5638616522.

It is not a de Polignac number, because 2256168365 - 2⁶ = 2256168301 is a prime.

It is a super-4 number, since 4×2256168365⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72674 + ... + 98963.

It is an arithmetic number, because the mean of its divisors is an integer number (185369040).

Almost surely, 2^2256168365 is an apocalyptic number.

It is an amenable number.

2256168365 is a deficient number, since it is larger than the sum of its proper divisors (709736275).

2256168365 is a wasteful number, since it uses less digits than its factorization.

2256168365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171892.

The product of its digits is 518400, while the sum is 44.

The square root of 2256168365 is about 47499.1406764375. The cubic root of 2256168365 is about 1311.5670629731.

The spelling of 2256168365 in words is "two billion, two hundred fifty-six million, one hundred sixty-eight thousand, three hundred sixty-five".