601501663 has 8 divisors (see below), whose sum is σ = 698700320. Its totient is φ = 507120480.

The previous prime is 601501657. The next prime is 601501687. The reversal of 601501663 is 366105106.

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 601501663 - 2¹³ = 601493471 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 (601501603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703908 + ... + 704761.

It is an arithmetic number, because the mean of its divisors is an integer number (87337540).

Almost surely, 2^601501663 is an apocalyptic number.

601501663 is a deficient number, since it is larger than the sum of its proper divisors (97198657).

601501663 is a wasteful number, since it uses less digits than its factorization.

601501663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408737.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 601501663 is about 24525.5308403304. The cubic root of 601501663 is about 844.1357188925.

Adding to 601501663 its reverse (366105106), we get a palindrome (967606769).

The spelling of 601501663 in words is "six hundred one million, five hundred one thousand, six hundred sixty-three".