150666091 has 2 divisors, whose sum is σ = 150666092. Its totient is φ = 150666090.

The previous prime is 150666073. The next prime is 150666133. The reversal of 150666091 is 190666051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150666091 - 2⁵ = 150666059 is a prime.

It is not a weakly prime, because it can be changed into another prime (150666001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75333045 + 75333046.

It is an arithmetic number, because the mean of its divisors is an integer number (75333046).

Almost surely, 2^150666091 is an apocalyptic number.

150666091 is a deficient number, since it is larger than the sum of its proper divisors (1).

150666091 is an equidigital number, since it uses as much as digits as its factorization.

150666091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 150666091 is about 12274.6116435511. The cubic root of 150666091 is about 532.1145981008.

The spelling of 150666091 in words is "one hundred fifty million, six hundred sixty-six thousand, ninety-one".