83610166 has 4 divisors (see below), whose sum is σ = 125415252. Its totient is φ = 41805082.

The previous prime is 83610157. The next prime is 83610167. The reversal of 83610166 is 66101638.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66101638 = 2 ⋅33050819.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83610167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20902540 + ... + 20902543.

It is an arithmetic number, because the mean of its divisors is an integer number (31353813).

Almost surely, 2^83610166 is an apocalyptic number.

83610166 is a deficient number, since it is larger than the sum of its proper divisors (41805086).

83610166 is a wasteful number, since it uses less digits than its factorization.

83610166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41805085.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 83610166 is about 9143.8594696113. The cubic root of 83610166 is about 437.2733689896.

The spelling of 83610166 in words is "eighty-three million, six hundred ten thousand, one hundred sixty-six".