80361178144 has 96 divisors (see below), whose sum is σ = 174754286784. Its totient is φ = 36141880320.

The previous prime is 80361178111. The next prime is 80361178151. The reversal of 80361178144 is 44187116308.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 80361178144.

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, 7919314 + ... + 7929454.

It is an arithmetic number, because the mean of its divisors is an integer number (1820357154).

Almost surely, 2^80361178144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80361178144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87377143392).

80361178144 is an abundant number, since it is smaller than the sum of its proper divisors (94393108640).

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

80361178144 is a wasteful number, since it uses less digits than its factorization.

80361178144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10650 (or 10642 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 80361178144 in words is "eighty billion, three hundred sixty-one million, one hundred seventy-eight thousand, one hundred forty-four".