83316609 has 24 divisors (see below), whose sum is σ = 127775232. Its totient is φ = 52133760.

The previous prime is 83316599. The next prime is 83316613. The reversal of 83316609 is 90661338.

It is a happy number.

83316609 is a `hidden beast` number, since 8 + 33 + 16 + 609 = 666.

It is not a de Polignac number, because 83316609 - 2⁴ = 83316593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83316109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96112 + ... + 96974.

It is an arithmetic number, because the mean of its divisors is an integer number (5323968).

Almost surely, 2^83316609 is an apocalyptic number.

It is an amenable number.

83316609 is a deficient number, since it is larger than the sum of its proper divisors (44458623).

83316609 is a wasteful number, since it uses less digits than its factorization.

83316609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 83316609 is about 9127.7932163256. The cubic root of 83316609 is about 436.7610103114.

The spelling of 83316609 in words is "eighty-three million, three hundred sixteen thousand, six hundred nine".