83668105 has 4 divisors (see below), whose sum is σ = 100401732. Its totient is φ = 66934480.

The previous prime is 83668093. The next prime is 83668121. The reversal of 83668105 is 50186638.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27237961 + 56430144 = 5219^2 + 7512^2 .

It is not a de Polignac number, because 83668105 - 2¹¹ = 83666057 is a prime.

It is a Duffinian number.

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, 8366806 + ... + 8366815.

It is an arithmetic number, because the mean of its divisors is an integer number (25100433).

Almost surely, 2^83668105 is an apocalyptic number.

It is an amenable number.

83668105 is a deficient number, since it is larger than the sum of its proper divisors (16733627).

83668105 is a wasteful number, since it uses less digits than its factorization.

83668105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16733626.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 83668105 is about 9147.0271126744. The cubic root of 83668105 is about 437.3743508560.

It can be divided in two parts, 8366 and 8105, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 83668105 in words is "eighty-three million, six hundred sixty-eight thousand, one hundred five".