83196545990 has 64 divisors (see below), whose sum is σ = 165717633024. Its totient is φ = 29912053248.

The previous prime is 83196545987. The next prime is 83196546011. The reversal of 83196545990 is 9954569138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2513327 + ... + 2546213.

It is an arithmetic number, because the mean of its divisors is an integer number (2589338016).

Almost surely, 2^83196545990 is an apocalyptic number.

83196545990 is a deficient number, since it is larger than the sum of its proper divisors (82521087034).

83196545990 is a wasteful number, since it uses less digits than its factorization.

83196545990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33581.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 83196545990 in words is "eighty-three billion, one hundred ninety-six million, five hundred forty-five thousand, nine hundred ninety".