2555631226166 has 8 divisors (see below), whose sum is σ = 4058943712200. Its totient is φ = 1202649988768.

The previous prime is 2555631226139. The next prime is 2555631226193. The reversal of 2555631226166 is 6616221365552.

It is an interprime number because it is at equal distance from previous prime (2555631226139) and next prime (2555631226193).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37582812116 + ... + 37582812183.

It is an arithmetic number, because the mean of its divisors is an integer number (507367964025).

Almost surely, 2^{2555631226166} is an apocalyptic number.

2555631226166 is a deficient number, since it is larger than the sum of its proper divisors (1503312486034).

2555631226166 is a wasteful number, since it uses less digits than its factorization.

2555631226166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75165624318.

The product of its digits is 3888000, while the sum is 50.

The spelling of 2555631226166 in words is "two trillion, five hundred fifty-five billion, six hundred thirty-one million, two hundred twenty-six thousand, one hundred sixty-six".