150552625666 has 4 divisors (see below), whose sum is σ = 225828938502. Its totient is φ = 75276312832.

The previous prime is 150552625633. The next prime is 150552625669. The reversal of 150552625666 is 666526255051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 150250039641 + 302586025 = 387621^2 + 17395^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (150552625669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37638156415 + ... + 37638156418.

Almost surely, 2^150552625666 is an apocalyptic number.

150552625666 is a deficient number, since it is larger than the sum of its proper divisors (75276312836).

150552625666 is an equidigital number, since it uses as much as digits as its factorization.

150552625666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75276312835.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 150552625666 in words is "one hundred fifty billion, five hundred fifty-two million, six hundred twenty-five thousand, six hundred sixty-six".