83916165 has 16 divisors (see below), whose sum is σ = 142164288. Its totient is φ = 42122496.

The previous prime is 83916109. The next prime is 83916193. The reversal of 83916165 is 56161938.

It is not a de Polignac number, because 83916165 - 2⁹ = 83915653 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164287 + ... + 164796.

It is an arithmetic number, because the mean of its divisors is an integer number (8885268).

Almost surely, 2^83916165 is an apocalyptic number.

83916165 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83916165 is a deficient number, since it is larger than the sum of its proper divisors (58248123).

83916165 is a wasteful number, since it uses less digits than its factorization.

83916165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329108.

The product of its digits is 38880, while the sum is 39.

The square root of 83916165 is about 9160.5766739873. The cubic root of 83916165 is about 437.8061682745.

The spelling of 83916165 in words is "eighty-three million, nine hundred sixteen thousand, one hundred sixty-five".