201166279 has 8 divisors (see below), whose sum is σ = 203237568. Its totient is φ = 199104000.

The previous prime is 201166271. The next prime is 201166283. The reversal of 201166279 is 972661102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201166279 - 2³ = 201166271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201166271) 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 in 7 ways as a sum of consecutive naturals, for example, 48279 + ... + 52279.

It is an arithmetic number, because the mean of its divisors is an integer number (25404696).

Almost surely, 2^201166279 is an apocalyptic number.

201166279 is a deficient number, since it is larger than the sum of its proper divisors (2071289).

201166279 is a wasteful number, since it uses less digits than its factorization.

201166279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4505.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 201166279 is about 14183.3098746379. The cubic root of 201166279 is about 585.9380853408.

The spelling of 201166279 in words is "two hundred one million, one hundred sixty-six thousand, two hundred seventy-nine".