80303616 has 160 divisors (see below), whose sum is σ = 245683680. Its totient is φ = 25878528.

The previous prime is 80303611. The next prime is 80303623. The reversal of 80303616 is 61630308.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 80303616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80303611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511410 + ... + 511566.

It is an arithmetic number, because the mean of its divisors is an integer number (1535523).

Almost surely, 2^80303616 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 80303616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122841840).

80303616 is an abundant number, since it is smaller than the sum of its proper divisors (165380064).

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

80303616 is a wasteful number, since it uses less digits than its factorization.

80303616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 80303616 is about 8961.2284872109. The cubic root of 80303616 is about 431.4313505703.

The spelling of 80303616 in words is "eighty million, three hundred three thousand, six hundred sixteen".