18464300506 has 8 divisors (see below), whose sum is σ = 27697075380. Its totient is φ = 9231942048.

The previous prime is 18464300489. The next prime is 18464300521. The reversal of 18464300506 is 60500346481.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13866240025 + 4598060481 = 117755^2 + 67809^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55990 + ... + 200158.

Almost surely, 2^18464300506 is an apocalyptic number.

18464300506 is a deficient number, since it is larger than the sum of its proper divisors (9232774874).

18464300506 is a wasteful number, since it uses less digits than its factorization.

18464300506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208208.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 18464300506 its reverse (60500346481), we get a palindrome (78964646987).

The spelling of 18464300506 in words is "eighteen billion, four hundred sixty-four million, three hundred thousand, five hundred six".