83169493 has 4 divisors (see below), whose sum is σ = 90730368. Its totient is φ = 75608620.

The previous prime is 83169481. The next prime is 83169503. The reversal of 83169493 is 39496138.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83169493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83169433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3780421 + ... + 3780442.

It is an arithmetic number, because the mean of its divisors is an integer number (22682592).

Almost surely, 2^83169493 is an apocalyptic number.

It is an amenable number.

83169493 is a deficient number, since it is larger than the sum of its proper divisors (7560875).

83169493 is a wasteful number, since it uses less digits than its factorization.

83169493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560874.

The product of its digits is 139968, while the sum is 43.

The square root of 83169493 is about 9119.7309719092. The cubic root of 83169493 is about 436.5037891332.

The spelling of 83169493 in words is "eighty-three million, one hundred sixty-nine thousand, four hundred ninety-three".