80185642664496 has 80 divisors (see below), whose sum is σ = 207385711390560. Its totient is φ = 26697653084160.

The previous prime is 80185642664489. The next prime is 80185642664507. The reversal of 80185642664496 is 69446624658108.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 80185642664496.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621235806 + ... + 621364866.

It is an arithmetic number, because the mean of its divisors is an integer number (2592321392382).

Almost surely, 2^{80185642664496} is an apocalyptic number.

It is an amenable number.

80185642664496 is an abundant number, since it is smaller than the sum of its proper divisors (127200068726064).

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

80185642664496 is a wasteful number, since it uses less digits than its factorization.

80185642664496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143934 (or 143928 counting only the distinct ones).

The product of its (nonzero) digits is 477757440, while the sum is 69.

The spelling of 80185642664496 in words is "eighty trillion, one hundred eighty-five billion, six hundred forty-two million, six hundred sixty-four thousand, four hundred ninety-six".