65331660108 has 96 divisors (see below), whose sum is σ = 179335521792. Its totient is φ = 18249638400.

The previous prime is 65331660071. The next prime is 65331660157. The reversal of 65331660108 is 80106613356.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1249368 + ... + 1300608.

It is an arithmetic number, because the mean of its divisors is an integer number (1868078352).

Almost surely, 2^65331660108 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 65331660108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89667760896).

65331660108 is an abundant number, since it is smaller than the sum of its proper divisors (114003861684).

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

65331660108 is a wasteful number, since it uses less digits than its factorization.

65331660108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52015 (or 52013 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 65331660108 in words is "sixty-five billion, three hundred thirty-one million, six hundred sixty thousand, one hundred eight".