66110422603240 has 32 divisors (see below), whose sum is σ = 148750807154760. Its totient is φ = 26443750144000.

The previous prime is 66110422603201. The next prime is 66110422603261. The reversal of 66110422603240 is 4230622401166.

It can be written as a sum of positive squares in 4 ways, for example, as 51001793534916 + 15108629068324 = 7141554^2 + 3886982^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66110422603240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10527661 + ... + 15590140.

Almost surely, 2^{66110422603240} is an apocalyptic number.

It is an amenable number.

66110422603240 is an abundant number, since it is smaller than the sum of its proper divisors (82640384551520).

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

66110422603240 is a wasteful number, since it uses less digits than its factorization.

66110422603240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26181093 (or 26181089 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 66110422603240 in words is "sixty-six trillion, one hundred ten billion, four hundred twenty-two million, six hundred three thousand, two hundred forty".