201166412 has 6 divisors (see below), whose sum is σ = 352041228. Its totient is φ = 100583204.

The previous prime is 201166403. The next prime is 201166451. The reversal of 201166412 is 214661102.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25145798 + ... + 25145805.

It is an arithmetic number, because the mean of its divisors is an integer number (58673538).

Almost surely, 2^201166412 is an apocalyptic number.

It is an amenable number.

201166412 is a deficient number, since it is larger than the sum of its proper divisors (150874816).

201166412 is a wasteful number, since it uses less digits than its factorization.

201166412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50291607 (or 50291605 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 201166412 is about 14183.3145632465. The cubic root of 201166412 is about 585.9382144707.

The spelling of 201166412 in words is "two hundred one million, one hundred sixty-six thousand, four hundred twelve".