83186634709990 has 32 divisors (see below), whose sum is σ = 171137045217600. Its totient is φ = 28519422931584.

The previous prime is 83186634709939. The next prime is 83186634710051. The reversal of 83186634709990 is 9990743668138.

83186634709990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 34426665 + ... + 36763684.

It is an arithmetic number, because the mean of its divisors is an integer number (5348032663050).

Almost surely, 2^{83186634709990} is an apocalyptic number.

83186634709990 is an abundant number, since it is smaller than the sum of its proper divisors (87950410507610).

83186634709990 is a wasteful number, since it uses less digits than its factorization.

83186634709990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71207056.

The product of its (nonzero) digits is 423263232, while the sum is 73.

The spelling of 83186634709990 in words is "eighty-three trillion, one hundred eighty-six billion, six hundred thirty-four million, seven hundred nine thousand, nine hundred ninety".