201682266 has 8 divisors (see below), whose sum is σ = 403364544. Its totient is φ = 67227420.

The previous prime is 201682253. The next prime is 201682279. The reversal of 201682266 is 662286102.

It is an interprime number because it is at equal distance from previous prime (201682253) and next prime (201682279).

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

201682266 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16806850 + ... + 16806861.

It is an arithmetic number, because the mean of its divisors is an integer number (50420568).

Almost surely, 2^201682266 is an apocalyptic number.

201682266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201682266 is a wasteful number, since it uses less digits than its factorization.

201682266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33613716.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 201682266 is about 14201.4881614569. The cubic root of 201682266 is about 586.4386303107.

The spelling of 201682266 in words is "two hundred one million, six hundred eighty-two thousand, two hundred sixty-six".