149666305618 has 8 divisors (see below), whose sum is σ = 229975055100. Its totient is φ = 73007953920.

The previous prime is 149666305589. The next prime is 149666305631. The reversal of 149666305618 is 816503666941.

149666305618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 149616560809 + 49744809 = 386803^2 + 7053^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912599343 + ... + 912599506.

Almost surely, 2^149666305618 is an apocalyptic number.

149666305618 is a deficient number, since it is larger than the sum of its proper divisors (80308749482).

149666305618 is a wasteful number, since it uses less digits than its factorization.

149666305618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825198892.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 149666305618 in words is "one hundred forty-nine billion, six hundred sixty-six million, three hundred five thousand, six hundred eighteen".