83143616 has 28 divisors (see below), whose sum is σ = 165289992. Its totient is φ = 41495808.

The previous prime is 83143579. The next prime is 83143631. The reversal of 83143616 is 61634138.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

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, 53831 + ... + 55353.

It is an arithmetic number, because the mean of its divisors is an integer number (5903214).

Almost surely, 2^83143616 is an apocalyptic number.

It is an amenable number.

83143616 is a deficient number, since it is larger than the sum of its proper divisors (82146376).

83143616 is a wasteful number, since it uses less digits than its factorization.

83143616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388 (or 2378 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 83143616 is about 9118.3121245108. The cubic root of 83143616 is about 436.4585137972.

The spelling of 83143616 in words is "eighty-three million, one hundred forty-three thousand, six hundred sixteen".