83616506 has 16 divisors (see below), whose sum is σ = 132972840. Its totient is φ = 39298560.

The previous prime is 83616499. The next prime is 83616521. The reversal of 83616506 is 60561638.

It can be written as a sum of positive squares in 4 ways, for example, as 71995225 + 11621281 = 8485^2 + 3409^2 .

It is a super-3 number, since 3×83616506³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47726 + ... + 49446.

Almost surely, 2^83616506 is an apocalyptic number.

83616506 is a deficient number, since it is larger than the sum of its proper divisors (49356334).

83616506 is a wasteful number, since it uses less digits than its factorization.

83616506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 83616506 is about 9144.2061437831. The cubic root of 83616506 is about 437.2844212465.

The spelling of 83616506 in words is "eighty-three million, six hundred sixteen thousand, five hundred six".