66351415366 has 8 divisors (see below), whose sum is σ = 99562262904. Its totient is φ = 33163994400.

The previous prime is 66351415363. The next prime is 66351415393.

It is a happy number.

66351415366 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66351415363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5849560 + ... + 5860891.

It is an arithmetic number, because the mean of its divisors is an integer number (12445282863).

Almost surely, 2^66351415366 is an apocalyptic number.

66351415366 is a deficient number, since it is larger than the sum of its proper divisors (33210847538).

66351415366 is a wasteful number, since it uses less digits than its factorization.

66351415366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713286.

The product of its digits is 1166400, while the sum is 46.

The spelling of 66351415366 in words is "sixty-six billion, three hundred fifty-one million, four hundred fifteen thousand, three hundred sixty-six".