66222849033 has 72 divisors (see below), whose sum is σ = 112011812640. Its totient is φ = 37563609600.

The previous prime is 66222849031. The next prime is 66222849037. The reversal of 66222849033 is 33094822266.

It is a happy number.

66222849033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66222849033 - 2¹ = 66222849031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66222849033.

It is not an unprimeable number, because it can be changed into a prime (66222849031) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1698073 + ... + 1736633.

It is an arithmetic number, because the mean of its divisors is an integer number (1555719620).

Almost surely, 2^66222849033 is an apocalyptic number.

It is an amenable number.

66222849033 is a deficient number, since it is larger than the sum of its proper divisors (45788963607).

66222849033 is a wasteful number, since it uses less digits than its factorization.

66222849033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38691 (or 38677 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 66222849033 in words is "sixty-six billion, two hundred twenty-two million, eight hundred forty-nine thousand, thirty-three".