80633437560 has 192 divisors, whose sum is σ = 283262878080. Its totient is φ = 19774679040.

The previous prime is 80633437481. The next prime is 80633437601. The reversal of 80633437560 is 6573433608.

80633437560 is a `hidden beast` number, since 8 + 0 + 633 + 4 + 3 + 7 + 5 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1236492 + ... + 1300068.

It is an arithmetic number, because the mean of its divisors is an integer number (1475327490).

Almost surely, 2^80633437560 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 80633437560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141631439040).

80633437560 is an abundant number, since it is smaller than the sum of its proper divisors (202629440520).

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

80633437560 is a wasteful number, since it uses less digits than its factorization.

80633437560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63878 (or 63871 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 80633437560 in words is "eighty billion, six hundred thirty-three million, four hundred thirty-seven thousand, five hundred sixty".