225616310556156 has 120 divisors (see below), whose sum is σ = 637948957504320. Its totient is φ = 69117257086848.

The previous prime is 225616310556149. The next prime is 225616310556179. The reversal of 225616310556156 is 651655013616522.

225616310556156 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 1 + 6 + 3 + 10 + 5 + 5 + 615 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 115989876 + ... + 117918971.

It is an arithmetic number, because the mean of its divisors is an integer number (5316241312536).

Almost surely, 2^{225616310556156} is an apocalyptic number.

225616310556156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

225616310556156 is an abundant number, since it is smaller than the sum of its proper divisors (412332646948164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225616310556156 is a wasteful number, since it uses less digits than its factorization.

225616310556156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233909105 (or 233909094 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 225616310556156 in words is "two hundred twenty-five trillion, six hundred sixteen billion, three hundred ten million, five hundred fifty-six thousand, one hundred fifty-six".