80223608618658 has 40 divisors (see below), whose sum is σ = 179784085619820. Its totient is φ = 26737665736320.

The previous prime is 80223608618653. The next prime is 80223608618677. The reversal of 80223608618658 is 85681680632208.

80223608618658 is a `hidden beast` number, since 8 + 0 + 2 + 2 + 3 + 6 + 0 + 8 + 618 + 6 + 5 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73704405606129 + 6519203012529 = 8585127^2 + 2553273^2 .

It is a super-3 number, since 3×80223608618658³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80223608618595 and 80223608618604.

It is not an unprimeable number, because it can be changed into a prime (80223608618653) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31522603 + ... + 33972366.

Almost surely, 2^{80223608618658} is an apocalyptic number.

80223608618658 is an abundant number, since it is smaller than the sum of its proper divisors (99560477001162).

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

80223608618658 is a wasteful number, since it uses less digits than its factorization.

80223608618658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65502544 (or 65502535 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 63.

The spelling of 80223608618658 in words is "eighty trillion, two hundred twenty-three billion, six hundred eight million, six hundred eighteen thousand, six hundred fifty-eight".