601618161 has 8 divisors (see below), whose sum is σ = 803071584. Its totient is φ = 400621760.

The previous prime is 601618139. The next prime is 601618163. The reversal of 601618161 is 161816106.

It is a happy number.

601618161 is nontrivially palindromic in base 2.

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 601618161 - 2⁹ = 601617649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (601618163) 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, 111171 + ... + 116456.

It is an arithmetic number, because the mean of its divisors is an integer number (100383948).

Almost surely, 2^601618161 is an apocalyptic number.

It is an amenable number.

601618161 is a deficient number, since it is larger than the sum of its proper divisors (201453423).

601618161 is a wasteful number, since it uses less digits than its factorization.

601618161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228511.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 601618161 is about 24527.9057605822. The cubic root of 601618161 is about 844.1902123827.

The spelling of 601618161 in words is "six hundred one million, six hundred eighteen thousand, one hundred sixty-one".