150663993 has 8 divisors (see below), whose sum is σ = 204290400. Its totient is φ = 98740128.

The previous prime is 150663991. The next prime is 150664027. The reversal of 150663993 is 399366051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 150663993 - 2¹ = 150663991 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150663991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425428 + ... + 425781.

It is an arithmetic number, because the mean of its divisors is an integer number (25536300).

Almost surely, 2^150663993 is an apocalyptic number.

It is an amenable number.

150663993 is a deficient number, since it is larger than the sum of its proper divisors (53626407).

150663993 is an equidigital number, since it uses as much as digits as its factorization.

150663993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851271.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 150663993 is about 12274.5261823013. The cubic root of 150663993 is about 532.1121282206.

The spelling of 150663993 in words is "one hundred fifty million, six hundred sixty-three thousand, nine hundred ninety-three".