83165671 has 4 divisors (see below), whose sum is σ = 85194144. Its totient is φ = 81137200.

The previous prime is 83165659. The next prime is 83165689. The reversal of 83165671 is 17656138.

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

It is a cyclic number.

It is not a de Polignac number, because 83165671 - 2¹⁷ = 83034599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83165671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83165611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014175 + ... + 1014256.

It is an arithmetic number, because the mean of its divisors is an integer number (21298536).

Almost surely, 2^83165671 is an apocalyptic number.

83165671 is a deficient number, since it is larger than the sum of its proper divisors (2028473).

83165671 is a wasteful number, since it uses less digits than its factorization.

83165671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028472.

The product of its digits is 30240, while the sum is 37.

The square root of 83165671 is about 9119.5214238468. The cubic root of 83165671 is about 436.4971026147.

The spelling of 83165671 in words is "eighty-three million, one hundred sixty-five thousand, six hundred seventy-one".