83518516 has 24 divisors (see below), whose sum is σ = 150068520. Its totient is φ = 40656000.

The previous prime is 83518511. The next prime is 83518549. The reversal of 83518516 is 61581538.

It can be written as a sum of positive squares in 4 ways, for example, as 33872400 + 49646116 = 5820^2 + 7046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83518511) by changing a digit.

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, 22950 + ... + 26338.

It is an arithmetic number, because the mean of its divisors is an integer number (6252855).

Almost surely, 2^83518516 is an apocalyptic number.

It is an amenable number.

83518516 is a deficient number, since it is larger than the sum of its proper divisors (66550004).

83518516 is a wasteful number, since it uses less digits than its factorization.

83518516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3553 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 83518516 is about 9138.8465355317. The cubic root of 83518516 is about 437.1135369247.

The spelling of 83518516 in words is "eighty-three million, five hundred eighteen thousand, five hundred sixteen".