66403348802 has 16 divisors (see below), whose sum is σ = 113940824640. Its totient is φ = 28431949968.

The previous prime is 66403348777. The next prime is 66403348877. The reversal of 66403348802 is 20884330466.

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, 2203508 + ... + 2233439.

It is an arithmetic number, because the mean of its divisors is an integer number (7121301540).

Almost surely, 2^66403348802 is an apocalyptic number.

66403348802 is a deficient number, since it is larger than the sum of its proper divisors (47537475838).

66403348802 is a wasteful number, since it uses less digits than its factorization.

66403348802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438025.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 66403348802 in words is "sixty-six billion, four hundred three million, three hundred forty-eight thousand, eight hundred two".