150393661 has 8 divisors (see below), whose sum is σ = 167881824. Its totient is φ = 133541520.

The previous prime is 150393647. The next prime is 150393667. The reversal of 150393661 is 166393051.

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

It is a cyclic number.

It is not a de Polignac number, because 150393661 - 2¹⁵ = 150360893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150393667) 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, 158506 + ... + 159451.

It is an arithmetic number, because the mean of its divisors is an integer number (20985228).

Almost surely, 2^150393661 is an apocalyptic number.

150393661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

150393661 is a deficient number, since it is larger than the sum of its proper divisors (17488163).

150393661 is a wasteful number, since it uses less digits than its factorization.

150393661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318011.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 150393661 is about 12263.5093264530. The cubic root of 150393661 is about 531.7936866069.

The spelling of 150393661 in words is "one hundred fifty million, three hundred ninety-three thousand, six hundred sixty-one".