201652666 has 8 divisors (see below), whose sum is σ = 302756544. Its totient is φ = 100733820.

The previous prime is 201652663. The next prime is 201652669. The reversal of 201652666 is 666256102.

201652666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201652663) and next prime (201652669).

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

It is not an unprimeable number, because it can be changed into a prime (201652663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43500 + ... + 47911.

It is an arithmetic number, because the mean of its divisors is an integer number (37844568).

Almost surely, 2^201652666 is an apocalyptic number.

201652666 is a deficient number, since it is larger than the sum of its proper divisors (101103878).

201652666 is a wasteful number, since it uses less digits than its factorization.

201652666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92516.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 201652666 is about 14200.4459789121. The cubic root of 201652666 is about 586.4099392527.

The spelling of 201652666 in words is "two hundred one million, six hundred fifty-two thousand, six hundred sixty-six".