66349232088 has 32 divisors (see below), whose sum is σ = 166971586560. Its totient is φ = 21969943200.

The previous prime is 66349232011. The next prime is 66349232099. The reversal of 66349232088 is 88023294366.

It is a self number, because there is not a number n which added to its sum of digits gives 66349232088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9150520 + ... + 9157767.

It is an arithmetic number, because the mean of its divisors is an integer number (5217862080).

Almost surely, 2^66349232088 is an apocalyptic number.

It is an amenable number.

66349232088 is an abundant number, since it is smaller than the sum of its proper divisors (100622354472).

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

66349232088 is a wasteful number, since it uses less digits than its factorization.

66349232088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308447 (or 18308443 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 66349232088 in words is "sixty-six billion, three hundred forty-nine million, two hundred thirty-two thousand, eighty-eight".