66355830467 has 8 divisors (see below), whose sum is σ = 67778296080. Its totient is φ = 64947242880.

The previous prime is 66355830427. The next prime is 66355830479. The reversal of 66355830467 is 76403855366.

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

It is a de Polignac number, because none of the positive numbers 2^k-66355830467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66355830427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3459842 + ... + 3478967.

It is an arithmetic number, because the mean of its divisors is an integer number (8472287010).

Almost surely, 2^66355830467 is an apocalyptic number.

66355830467 is a deficient number, since it is larger than the sum of its proper divisors (1422465613).

66355830467 is a wasteful number, since it uses less digits than its factorization.

66355830467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6939013.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 66355830467 in words is "sixty-six billion, three hundred fifty-five million, eight hundred thirty thousand, four hundred sixty-seven".