150685866 has 16 divisors (see below), whose sum is σ = 334857600. Its totient is φ = 50228604.

The previous prime is 150685831. The next prime is 150685877. The reversal of 150685866 is 668586051.

150685866 is a `hidden beast` number, since 1 + 5 + 0 + 68 + 586 + 6 = 666.

150685866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395186 + ... + 1395293.

It is an arithmetic number, because the mean of its divisors is an integer number (20928600).

Almost surely, 2^150685866 is an apocalyptic number.

150685866 is an abundant number, since it is smaller than the sum of its proper divisors (184171734).

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

150685866 is a wasteful number, since it uses less digits than its factorization.

150685866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790490 (or 2790484 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 150685866 is about 12275.4171415883. The cubic root of 150685866 is about 532.1378771850.

The spelling of 150685866 in words is "one hundred fifty million, six hundred eighty-five thousand, eight hundred sixty-six".