80091648 has 240 divisors, whose sum is σ = 285981696. Its totient is φ = 21012480.

The previous prime is 80091647. The next prime is 80091673. The reversal of 80091648 is 84619008.

It is a happy number.

80091648 is a `hidden beast` number, since 8 + 0 + 0 + 9 + 1 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (80091647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419233 + ... + 419423.

Almost surely, 2^80091648 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 80091648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142990848).

80091648 is an abundant number, since it is smaller than the sum of its proper divisors (205890048).

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

80091648 is a wasteful number, since it uses less digits than its factorization.

80091648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 80091648 is about 8949.3937224820. The cubic root of 80091648 is about 431.0514165722.

The spelling of 80091648 in words is "eighty million, ninety-one thousand, six hundred forty-eight".