66044464246 has 16 divisors (see below), whose sum is σ = 104736121200. Its totient is φ = 31147603488.

The previous prime is 66044464237. The next prime is 66044464261. The reversal of 66044464246 is 64246444066.

66044464246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66044464196 and 66044464205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3786085 + ... + 3803488.

It is an arithmetic number, because the mean of its divisors is an integer number (6546007575).

Almost surely, 2^66044464246 is an apocalyptic number.

66044464246 is a deficient number, since it is larger than the sum of its proper divisors (38691656954).

66044464246 is a wasteful number, since it uses less digits than its factorization.

66044464246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589823.

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 66044464246 in words is "sixty-six billion, forty-four million, four hundred sixty-four thousand, two hundred forty-six".