83380566 has 32 divisors (see below), whose sum is σ = 174763008. Its totient is φ = 26470400.

The previous prime is 83380559. The next prime is 83380567. The reversal of 83380566 is 66508338.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83380567) 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 15 ways as a sum of consecutive naturals, for example, 34291 + ... + 36641.

It is an arithmetic number, because the mean of its divisors is an integer number (5461344).

Almost surely, 2^83380566 is an apocalyptic number.

83380566 is an abundant number, since it is smaller than the sum of its proper divisors (91382442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83380566 is a wasteful number, since it uses less digits than its factorization.

83380566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 83380566 is about 9131.2959649767. The cubic root of 83380566 is about 436.8727398517.

The spelling of 83380566 in words is "eighty-three million, three hundred eighty thousand, five hundred sixty-six".