80481216 has 56 divisors (see below), whose sum is σ = 218714320. Its totient is φ = 26099712.

The previous prime is 80481211. The next prime is 80481221. The reversal of 80481216 is 61218408.

It is an interprime number because it is at equal distance from previous prime (80481211) and next prime (80481221).

It is a super-2 number, since 2×80481216² = 12954452257677312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80481211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440 + ... + 12768.

Almost surely, 2^80481216 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 80481216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109357160).

80481216 is an abundant number, since it is smaller than the sum of its proper divisors (138233104).

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

80481216 is a wasteful number, since it uses less digits than its factorization.

80481216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11381 (or 11371 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 80481216 is about 8971.1323699966. The cubic root of 80481216 is about 431.7491685172.

The spelling of 80481216 in words is "eighty million, four hundred eighty-one thousand, two hundred sixteen".