66226462622444 has 24 divisors (see below), whose sum is σ = 116024344074240. Its totient is φ = 33076651227984.

The previous prime is 66226462622431. The next prime is 66226462622479. The reversal of 66226462622444 is 44422626462266.

It is a self number, because there is not a number n which added to its sum of digits gives 66226462622444.

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, 308320067 + ... + 308534789.

It is an arithmetic number, because the mean of its divisors is an integer number (4834347669760).

Almost surely, 2^{66226462622444} is an apocalyptic number.

It is an amenable number.

66226462622444 is a deficient number, since it is larger than the sum of its proper divisors (49797881451796).

66226462622444 is a wasteful number, since it uses less digits than its factorization.

66226462622444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299549 (or 299547 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 56.

The spelling of 66226462622444 in words is "sixty-six trillion, two hundred twenty-six billion, four hundred sixty-two million, six hundred twenty-two thousand, four hundred forty-four".