66460022446 has 16 divisors (see below), whose sum is σ = 100901251584. Its totient is φ = 32826352504.

The previous prime is 66460022429. The next prime is 66460022459. The reversal of 66460022446 is 64422006466.

It is a junction number, because it is equal to n+sod(n) for n = 66460022399 and 66460022408.

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, 3000705 + ... + 3022771.

It is an arithmetic number, because the mean of its divisors is an integer number (6306328224).

Almost surely, 2^66460022446 is an apocalyptic number.

66460022446 is a deficient number, since it is larger than the sum of its proper divisors (34441229138).

66460022446 is a wasteful number, since it uses less digits than its factorization.

66460022446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40295.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 66460022446 in words is "sixty-six billion, four hundred sixty million, twenty-two thousand, four hundred forty-six".