83216066 has 8 divisors (see below), whose sum is σ = 124864524. Its totient is φ = 41594560.

The previous prime is 83216027. The next prime is 83216083. The reversal of 83216066 is 66061238.

It can be written as a sum of positive squares in 2 ways, for example, as 71757841 + 11458225 = 8471^2 + 3385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5246 + ... + 13926.

Almost surely, 2^83216066 is an apocalyptic number.

83216066 is a deficient number, since it is larger than the sum of its proper divisors (41648458).

83216066 is a wasteful number, since it uses less digits than its factorization.

83216066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13476.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 83216066 is about 9122.2840341660. The cubic root of 83216066 is about 436.5852512846.

The spelling of 83216066 in words is "eighty-three million, two hundred sixteen thousand, sixty-six".