150001668331506 has 12 divisors (see below), whose sum is σ = 325003614718302. Its totient is φ = 50000556110496.

The previous prime is 150001668331477. The next prime is 150001668331531. The reversal of 150001668331506 is 605133866100051.

150001668331506 is a `hidden beast` number, since 1 + 5 + 0 + 0 + 0 + 1 + 66 + 83 + 3 + 1 + 506 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109410867801225 + 40590800530281 = 10459965^2 + 6371091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4166713009191 + ... + 4166713009226.

Almost surely, 2^{150001668331506} is an apocalyptic number.

150001668331506 is an abundant number, since it is smaller than the sum of its proper divisors (175001946386796).

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

150001668331506 is a wasteful number, since it uses less digits than its factorization.

150001668331506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333426018425 (or 8333426018422 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 150001668331506 in words is "one hundred fifty trillion, one billion, six hundred sixty-eight million, three hundred thirty-one thousand, five hundred six".