818472750035556 has 192 divisors, whose sum is σ = 2382773781233664. Its totient is φ = 212433049180800.

The previous prime is 818472750035543. The next prime is 818472750035597. The reversal of 818472750035556 is 655530057274818.

It is a happy number.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

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

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, 6991192501 + ... + 6991309571.

It is an arithmetic number, because the mean of its divisors is an integer number (12410280110592).

Almost surely, 2^{818472750035556} 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 818472750035556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191386890616832).

818472750035556 is an abundant number, since it is smaller than the sum of its proper divisors (1564301031198108).

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

818472750035556 is a wasteful number, since it uses less digits than its factorization.

818472750035556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122630 (or 122628 counting only the distinct ones).

The product of its (nonzero) digits is 282240000, while the sum is 66.

The spelling of 818472750035556 in words is "eight hundred eighteen trillion, four hundred seventy-two billion, seven hundred fifty million, thirty-five thousand, five hundred fifty-six".