80533817166 has 32 divisors (see below), whose sum is σ = 175725116928. Its totient is φ = 24402107840.

The previous prime is 80533817027. The next prime is 80533817207. The reversal of 80533817166 is 66171833508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844906 + ... + 935378.

It is an arithmetic number, because the mean of its divisors is an integer number (5491409904).

Almost surely, 2^80533817166 is an apocalyptic number.

80533817166 is an abundant number, since it is smaller than the sum of its proper divisors (95191299762).

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

80533817166 is a wasteful number, since it uses less digits than its factorization.

80533817166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103976.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 80533817166 in words is "eighty billion, five hundred thirty-three million, eight hundred seventeen thousand, one hundred sixty-six".