2327666666556 has 192 divisors, whose sum is σ = 7133382144000. Its totient is φ = 572318369280.

The previous prime is 2327666666513. The next prime is 2327666666579. The reversal of 2327666666556 is 6556666667232.

It is a happy number.

It is a super-2 number, since 2×2327666666556² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22578255 + ... + 22681113.

It is an arithmetic number, because the mean of its divisors is an integer number (37153032000).

Almost surely, 2^{2327666666556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2327666666556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566691072000).

2327666666556 is an abundant number, since it is smaller than the sum of its proper divisors (4805715477444).

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

2327666666556 is a wasteful number, since it uses less digits than its factorization.

2327666666556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104192 (or 104190 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 66.

The spelling of 2327666666556 in words is "two trillion, three hundred twenty-seven billion, six hundred sixty-six million, six hundred sixty-six thousand, five hundred fifty-six".