201660153 has 8 divisors (see below), whose sum is σ = 275133408. Its totient is φ = 131313504.

The previous prime is 201660133. The next prime is 201660157. The reversal of 201660153 is 351066102.

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

It is not a de Polignac number, because 201660153 - 2⁶ = 201660089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201660157) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 781500 + ... + 781757.

It is an arithmetic number, because the mean of its divisors is an integer number (34391676).

Almost surely, 2^201660153 is an apocalyptic number.

It is an amenable number.

201660153 is a deficient number, since it is larger than the sum of its proper divisors (73473255).

201660153 is a wasteful number, since it uses less digits than its factorization.

201660153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563303.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 201660153 is about 14200.7095949463. The cubic root of 201660153 is about 586.4171966109.

The spelling of 201660153 in words is "two hundred one million, six hundred sixty thousand, one hundred fifty-three".