80169981248 has 56 divisors (see below), whose sum is σ = 188083545600. Its totient is φ = 33173779968.

The previous prime is 80169981247. The next prime is 80169981251. The reversal of 80169981248 is 84218996108.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 80169981193 and 80169981202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80169981247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072368 + ... + 3098351.

Almost surely, 2^80169981248 is an apocalyptic number.

It is an amenable number.

80169981248 is an abundant number, since it is smaller than the sum of its proper divisors (107913564352).

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

80169981248 is a wasteful number, since it uses less digits than its factorization.

80169981248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170767 (or 6170757 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 80169981248 in words is "eighty billion, one hundred sixty-nine million, nine hundred eighty-one thousand, two hundred forty-eight".