83669612048 has 80 divisors (see below), whose sum is σ = 187232212800. Its totient is φ = 35821463040.

The previous prime is 83669611979. The next prime is 83669612057. The reversal of 83669612048 is 84021696638.

It is a Cunningham number, because it is equal to 289257²-1.

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, 506198 + ... + 650826.

It is an arithmetic number, because the mean of its divisors is an integer number (2340402660).

Almost surely, 2^83669612048 is an apocalyptic number.

83669612048 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83669612048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93616106400).

83669612048 is an abundant number, since it is smaller than the sum of its proper divisors (103562600752).

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

83669612048 is a wasteful number, since it uses less digits than its factorization.

83669612048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144840 (or 144834 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 83669612048 in words is "eighty-three billion, six hundred sixty-nine million, six hundred twelve thousand, forty-eight".