80554401636 has 48 divisors (see below), whose sum is σ = 188735776320. Its totient is φ = 26740897920.

The previous prime is 80554401581. The next prime is 80554401649. The reversal of 80554401636 is 63610445508.

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, 3072495 + ... + 3098601.

It is an arithmetic number, because the mean of its divisors is an integer number (3931995340).

Almost surely, 2^80554401636 is an apocalyptic number.

It is an amenable number.

80554401636 is an abundant number, since it is smaller than the sum of its proper divisors (108181374684).

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

80554401636 is a wasteful number, since it uses less digits than its factorization.

80554401636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27164 (or 27162 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 80554401636 in words is "eighty billion, five hundred fifty-four million, four hundred one thousand, six hundred thirty-six".