150000660 has 60 divisors (see below), whose sum is σ = 470562708. Its totient is φ = 39999744.

The previous prime is 150000659. The next prime is 150000667. The reversal of 150000660 is 66000051.

150000660 is a `hidden beast` number, since 1 + 5 + 0 + 0 + 0 + 0 + 660 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108243216 + 41757444 = 10404^2 + 6462^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150000667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44677 + ... + 47916.

Almost surely, 2^150000660 is an apocalyptic number.

150000660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150000660 is an abundant number, since it is smaller than the sum of its proper divisors (320562048).

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

150000660 is a wasteful number, since it uses less digits than its factorization.

150000660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92614 (or 92603 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 150000660 is about 12247.4756582734. The cubic root of 150000660 is about 531.3300638731.

The spelling of 150000660 in words is "one hundred fifty million, six hundred sixty", and thus it is an aban number.