80633127618 has 192 divisors, whose sum is σ = 201544272000. Its totient is φ = 23824171008.

The previous prime is 80633127607. The next prime is 80633127647. The reversal of 80633127618 is 81672133608.

80633127618 is a `hidden beast` number, since 8 + 0 + 6 + 3 + 3 + 1 + 27 + 618 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57226498 + ... + 57227906.

It is an arithmetic number, because the mean of its divisors is an integer number (1049709750).

Almost surely, 2^80633127618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80633127618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100772136000).

80633127618 is an abundant number, since it is smaller than the sum of its proper divisors (120911144382).

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

80633127618 is a wasteful number, since it uses less digits than its factorization.

80633127618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 80633127618 in words is "eighty billion, six hundred thirty-three million, one hundred twenty-seven thousand, six hundred eighteen".