80418516 has 24 divisors (see below), whose sum is σ = 188771520. Its totient is φ = 26644992.

The previous prime is 80418497. The next prime is 80418539. The reversal of 80418516 is 61581408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18061 + ... + 22068.

It is an arithmetic number, because the mean of its divisors is an integer number (7865480).

Almost surely, 2^80418516 is an apocalyptic number.

It is an amenable number.

80418516 is an abundant number, since it is smaller than the sum of its proper divisors (108353004).

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

80418516 is a wasteful number, since it uses less digits than its factorization.

80418516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40303 (or 40301 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 80418516 is about 8967.6371469858. The cubic root of 80418516 is about 431.6370193426.

The spelling of 80418516 in words is "eighty million, four hundred eighteen thousand, five hundred sixteen".