81832114488 has 16 divisors (see below), whose sum is σ = 204580286280. Its totient is φ = 27277371488.

The previous prime is 81832114487. The next prime is 81832114513. The reversal of 81832114488 is 88441123818.

It is a super-5 number, since 5×81832114488⁵ (a number of 56 digits) contains 55555 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81832114487) 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, 1704835695 + ... + 1704835742.

Almost surely, 2^81832114488 is an apocalyptic number.

It is an amenable number.

81832114488 is an abundant number, since it is smaller than the sum of its proper divisors (122748171792).

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

81832114488 is a wasteful number, since it uses less digits than its factorization.

81832114488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409671446 (or 3409671442 counting only the distinct ones).

The product of its digits is 393216, while the sum is 48.

The spelling of 81832114488 in words is "eighty-one billion, eight hundred thirty-two million, one hundred fourteen thousand, four hundred eighty-eight".