150665556 has 48 divisors (see below), whose sum is σ = 364795200. Its totient is φ = 48340992.

The previous prime is 150665551. The next prime is 150665569. The reversal of 150665556 is 655566051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150665551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195540 + ... + 196308.

It is an arithmetic number, because the mean of its divisors is an integer number (7599900).

Almost surely, 2^150665556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150665556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182397600).

150665556 is an abundant number, since it is smaller than the sum of its proper divisors (214129644).

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

150665556 is a wasteful number, since it uses less digits than its factorization.

150665556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 150665556 is about 12274.5898505816. The cubic root of 150665556 is about 532.1139682718.

The spelling of 150665556 in words is "one hundred fifty million, six hundred sixty-five thousand, five hundred fifty-six".