80136650880 has 1536 divisors, whose sum is σ = 353666476800. Its totient is φ = 16420700160.

The previous prime is 80136650857. The next prime is 80136650921. The reversal of 80136650880 is 8805663108.

80136650880 is a `hidden beast` number, since 8 + 0 + 1 + 3 + 66 + 508 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 826150992 + ... + 826151088.

Almost surely, 2^80136650880 is an apocalyptic number.

80136650880 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 80136650880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176833238400).

80136650880 is an abundant number, since it is smaller than the sum of its proper divisors (273529825920).

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

80136650880 is a wasteful number, since it uses less digits than its factorization.

80136650880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 80136650880 in words is "eighty billion, one hundred thirty-six million, six hundred fifty thousand, eight hundred eighty".