601004661 has 8 divisors (see below), whose sum is σ = 802662144. Its totient is φ = 400008480.

The previous prime is 601004647. The next prime is 601004669. The reversal of 601004661 is 166400106.

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

It is not a de Polignac number, because 601004661 - 2⁶ = 601004597 is a prime.

It is a super-2 number, since 2×601004661² = 722413205087449842, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601004669) 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, 163200 + ... + 166841.

It is an arithmetic number, because the mean of its divisors is an integer number (100332768).

Almost surely, 2^601004661 is an apocalyptic number.

It is an amenable number.

601004661 is a deficient number, since it is larger than the sum of its proper divisors (201657483).

601004661 is a wasteful number, since it uses less digits than its factorization.

601004661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330651.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 601004661 is about 24515.3964071561. The cubic root of 601004661 is about 843.9031605198.

Adding to 601004661 its reverse (166400106), we get a palindrome (767404767).

The spelling of 601004661 in words is "six hundred one million, four thousand, six hundred sixty-one".