80521983360 has 1280 divisors, whose sum is σ = 359537270400. Its totient is φ = 16821043200.

The previous prime is 80521983359. The next prime is 80521983401. The reversal of 80521983360 is 6338912508.

It is a happy number.

80521983360 is a `hidden beast` number, since 8 + 0 + 521 + 98 + 3 + 36 + 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 159 ways as a sum of consecutive naturals, for example, 797247310 + ... + 797247410.

Almost surely, 2^80521983360 is an apocalyptic number.

80521983360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80521983360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179768635200).

80521983360 is an abundant number, since it is smaller than the sum of its proper divisors (279015287040).

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

80521983360 is a wasteful number, since it uses less digits than its factorization.

80521983360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 80521983360 in words is "eighty billion, five hundred twenty-one million, nine hundred eighty-three thousand, three hundred sixty".