601657161 has 64 divisors (see below), whose sum is σ = 997539840. Its totient is φ = 315120960.

The previous prime is 601657153. The next prime is 601657163. The reversal of 601657161 is 161756106.

It is not a de Polignac number, because 601657161 - 2³ = 601657153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (601657163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1225126 + ... + 1225616.

It is an arithmetic number, because the mean of its divisors is an integer number (15586560).

Almost surely, 2^601657161 is an apocalyptic number.

It is an amenable number.

601657161 is a deficient number, since it is larger than the sum of its proper divisors (395882679).

601657161 is a wasteful number, since it uses less digits than its factorization.

601657161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 601657161 is about 24528.7007605376. The cubic root of 601657161 is about 844.2084535801.

The spelling of 601657161 in words is "six hundred one million, six hundred fifty-seven thousand, one hundred sixty-one".