149166188 has 24 divisors (see below), whose sum is σ = 275175600. Its totient is φ = 70555968.

The previous prime is 149166139. The next prime is 149166223. The reversal of 149166188 is 881661941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92606 + ... + 94202.

It is an arithmetic number, because the mean of its divisors is an integer number (11465650).

Almost surely, 2^149166188 is an apocalyptic number.

It is an amenable number.

149166188 is a deficient number, since it is larger than the sum of its proper divisors (126009412).

149166188 is a wasteful number, since it uses less digits than its factorization.

149166188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2847 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 149166188 is about 12213.3610443645. The cubic root of 149166188 is about 530.3429464296.

The spelling of 149166188 in words is "one hundred forty-nine million, one hundred sixty-six thousand, one hundred eighty-eight".