18766275984036 has 135 divisors (see below), whose sum is σ = 57070004488497. Its totient is φ = 5361637186080.

The previous prime is 18766275984017. The next prime is 18766275984041. The reversal of 18766275984036 is 63048957266781.

The square root of 18766275984036 is 4332006.

It is a perfect power (a square), and thus also a powerful number.

18766275984036 is a `hidden beast` number, since 1 + 8 + 7 + 6 + 6 + 27 + 598 + 4 + 0 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1790227944036 + 16976048040000 = 1337994^2 + 4120200^2 .

It is a super-2 number, since 2×18766275984036² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 545815566 + ... + 545849946.

It is a 1-persistent number, because it is pandigital, but 2⋅18766275984036 = 37532551968072 is not.

Almost surely, 2^{18766275984036} is an apocalyptic number.

18766275984036 is the 4332006-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18766275984036

18766275984036 is an abundant number, since it is smaller than the sum of its proper divisors (38303728504461).

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

18766275984036 is an frugal number, since it uses more digits than its factorization.

18766275984036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68792 (or 34393 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 72.

The spelling of 18766275984036 in words is "eighteen trillion, seven hundred sixty-six billion, two hundred seventy-five million, nine hundred eighty-four thousand, thirty-six".