201042663 has 16 divisors (see below), whose sum is σ = 284329440. Its totient is φ = 125920256.

The previous prime is 201042659. The next prime is 201042671. The reversal of 201042663 is 366240102.

It is a cyclic number.

It is not a de Polignac number, because 201042663 - 2² = 201042659 is a prime.

It is a super-2 number, since 2×201042663² = 80836304692263138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201042643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28273 + ... + 34661.

It is an arithmetic number, because the mean of its divisors is an integer number (17770590).

Almost surely, 2^201042663 is an apocalyptic number.

201042663 is a deficient number, since it is larger than the sum of its proper divisors (83286777).

201042663 is a wasteful number, since it uses less digits than its factorization.

201042663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 201042663 is about 14178.9514069271. The cubic root of 201042663 is about 585.8180417562.

Adding to 201042663 its reverse (366240102), we get a palindrome (567282765).

The spelling of 201042663 in words is "two hundred one million, forty-two thousand, six hundred sixty-three".