150318666 has 40 divisors (see below), whose sum is σ = 342555840. Its totient is φ = 49253832.

The previous prime is 150318647. The next prime is 150318667. The reversal of 150318666 is 666813051.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 150318666.

It is not an unprimeable number, because it can be changed into a prime (150318667) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1695 + ... + 17421.

It is an arithmetic number, because the mean of its divisors is an integer number (8563896).

Almost surely, 2^150318666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150318666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171277920).

150318666 is an abundant number, since it is smaller than the sum of its proper divisors (192237174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150318666 is a wasteful number, since it uses less digits than its factorization.

150318666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800 (or 15791 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 150318666 is about 12260.4512967509. The cubic root of 150318666 is about 531.7052775205.

The spelling of 150318666 in words is "one hundred fifty million, three hundred eighteen thousand, six hundred sixty-six".