150663636 has 18 divisors (see below), whose sum is σ = 380844282. Its totient is φ = 50221200.

The previous prime is 150663607. The next prime is 150663647. The reversal of 150663636 is 636366051.

It is a happy number.

150663636 is a `hidden beast` number, since 15 + 0 + 6 + 6 + 3 + 636 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81108036 + 69555600 = 9006^2 + 8340^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4185101 = 150663636 / (1 + 5 + 0 + 6 + 6 + 3 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 150663636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2092515 + ... + 2092586.

Almost surely, 2^150663636 is an apocalyptic number.

It is an amenable number.

150663636 is an abundant number, since it is smaller than the sum of its proper divisors (230180646).

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

150663636 is a wasteful number, since it uses less digits than its factorization.

150663636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185111 (or 4185106 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 150663636 is about 12274.5116399798. The cubic root of 150663636 is about 532.1117079384. Note that the first 3 decimals are identical.

The spelling of 150663636 in words is "one hundred fifty million, six hundred sixty-three thousand, six hundred thirty-six".