83181662140 has 12 divisors (see below), whose sum is σ = 174681490536. Its totient is φ = 33272664848.

The previous prime is 83181662087. The next prime is 83181662141. The reversal of 83181662140 is 4126618138.

It is a junction number, because it is equal to n+sod(n) for n = 83181662093 and 83181662102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83181662141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079541534 + ... + 2079541573.

It is an arithmetic number, because the mean of its divisors is an integer number (14556790878).

Almost surely, 2^83181662140 is an apocalyptic number.

It is an amenable number.

83181662140 is an abundant number, since it is smaller than the sum of its proper divisors (91499828396).

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

83181662140 is a wasteful number, since it uses less digits than its factorization.

83181662140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159083116 (or 4159083114 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 83181662140 in words is "eighty-three billion, one hundred eighty-one million, six hundred sixty-two thousand, one hundred forty".