83135645184 has 40 divisors (see below), whose sum is σ = 221478558840. Its totient is φ = 27711881216.

The previous prime is 83135645123. The next prime is 83135645189. The reversal of 83135645184 is 48154653138.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83135645189) 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, 27060849 + ... + 27063920.

It is an arithmetic number, because the mean of its divisors is an integer number (5536963971).

Almost surely, 2^83135645184 is an apocalyptic number.

It is an amenable number.

83135645184 is an abundant number, since it is smaller than the sum of its proper divisors (138342913656).

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

83135645184 is an equidigital number, since it uses as much as digits as its factorization.

83135645184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54124790 (or 54124774 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The spelling of 83135645184 in words is "eighty-three billion, one hundred thirty-five million, six hundred forty-five thousand, one hundred eighty-four".