83216508 has 24 divisors (see below), whose sum is σ = 198304512. Its totient is φ = 27148464.

The previous prime is 83216459. The next prime is 83216509. The reversal of 83216508 is 80561238.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83216509) 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, 73210 + ... + 74337.

It is an arithmetic number, because the mean of its divisors is an integer number (8262688).

Almost surely, 2^83216508 is an apocalyptic number.

It is an amenable number.

83216508 is an abundant number, since it is smaller than the sum of its proper divisors (115088004).

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

83216508 is a wasteful number, since it uses less digits than its factorization.

83216508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147601 (or 147599 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 83216508 is about 9122.3082605227. The cubic root of 83216508 is about 436.5860242537.

The spelling of 83216508 in words is "eighty-three million, two hundred sixteen thousand, five hundred eight".