66363353456 has 10 divisors (see below), whose sum is σ = 128578997352. Its totient is φ = 33181676720.

The previous prime is 66363353437. The next prime is 66363353479. The reversal of 66363353456 is 65435336366.

66363353456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073854780 + ... + 2073854811.

Almost surely, 2^66363353456 is an apocalyptic number.

It is an amenable number.

66363353456 is a deficient number, since it is larger than the sum of its proper divisors (62215643896).

66363353456 is a wasteful number, since it uses less digits than its factorization.

66363353456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147709599 (or 4147709593 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 50.

The spelling of 66363353456 in words is "sixty-six billion, three hundred sixty-three million, three hundred fifty-three thousand, four hundred fifty-six".