80344667136 has 176 divisors, whose sum is σ = 223229247488. Its totient is φ = 25662873600.

The previous prime is 80344667111. The next prime is 80344667149. The reversal of 80344667136 is 63176644308.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 9804801 + ... + 9812991.

Almost surely, 2^80344667136 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 80344667136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111614623744).

80344667136 is an abundant number, since it is smaller than the sum of its proper divisors (142884580352).

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

80344667136 is a wasteful number, since it uses less digits than its factorization.

80344667136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348 (or 8330 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 80344667136 in words is "eighty billion, three hundred forty-four million, six hundred sixty-seven thousand, one hundred thirty-six".