83683621243112 has 128 divisors (see below), whose sum is σ = 177252340953600. Its totient is φ = 36710473363200.

The previous prime is 83683621243111. The next prime is 83683621243147. The reversal of 83683621243112 is 21134212638638.

It is not an unprimeable number, because it can be changed into a prime (83683621243111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105948287 + ... + 106735217.

It is an arithmetic number, because the mean of its divisors is an integer number (1384783913700).

Almost surely, 2^{83683621243112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83683621243112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88626170476800).

83683621243112 is an abundant number, since it is smaller than the sum of its proper divisors (93568719710488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83683621243112 is a wasteful number, since it uses less digits than its factorization.

83683621243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787327 (or 787323 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The spelling of 83683621243112 in words is "eighty-three trillion, six hundred eighty-three billion, six hundred twenty-one million, two hundred forty-three thousand, one hundred twelve".