66353498722 has 16 divisors (see below), whose sum is σ = 113798430720. Its totient is φ = 28424819808.

The previous prime is 66353498707. The next prime is 66353498737. The reversal of 66353498722 is 22789435366.

It is an interprime number because it is at equal distance from previous prime (66353498707) and next prime (66353498737).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999522 + ... + 1063837.

It is an arithmetic number, because the mean of its divisors is an integer number (7112401920).

Almost surely, 2^66353498722 is an apocalyptic number.

66353498722 is a deficient number, since it is larger than the sum of its proper divisors (47444931998).

66353498722 is a wasteful number, since it uses less digits than its factorization.

66353498722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065665.

The product of its digits is 13063680, while the sum is 55.

The spelling of 66353498722 in words is "sixty-six billion, three hundred fifty-three million, four hundred ninety-eight thousand, seven hundred twenty-two".