80364816 has 120 divisors (see below), whose sum is σ = 261453504. Its totient is φ = 22567680.

The previous prime is 80364773. The next prime is 80364827. The reversal of 80364816 is 61846308.

It is a happy number.

80364816 is a `hidden beast` number, since 8 + 0 + 3 + 648 + 1 + 6 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60835 + ... + 62141.

Almost surely, 2^80364816 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 80364816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130726752).

80364816 is an abundant number, since it is smaller than the sum of its proper divisors (181088688).

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

80364816 is a wasteful number, since it uses less digits than its factorization.

80364816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 80364816 is about 8964.6425472520. The cubic root of 80364816 is about 431.5409217841.

The spelling of 80364816 in words is "eighty million, three hundred sixty-four thousand, eight hundred sixteen".