66354045367 has 8 divisors (see below), whose sum is σ = 66524707424. Its totient is φ = 66183464448.

The previous prime is 66354045347. The next prime is 66354045377. The reversal of 66354045367 is 76354045366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66354045367 - 2²³ = 66345656759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66354045367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66354045347) by changing a digit.

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, 1832278 + ... + 1868140.

It is an arithmetic number, because the mean of its divisors is an integer number (8315588428).

Almost surely, 2^66354045367 is an apocalyptic number.

66354045367 is a deficient number, since it is larger than the sum of its proper divisors (170662057).

66354045367 is a wasteful number, since it uses less digits than its factorization.

66354045367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40569.

The product of its (nonzero) digits is 5443200, while the sum is 49.

Subtracting 66354045367 from its reverse (76354045366), we obtain a palindrome (9999999999).

The spelling of 66354045367 in words is "sixty-six billion, three hundred fifty-four million, forty-five thousand, three hundred sixty-seven".