2601161165 has 8 divisors (see below), whose sum is σ = 3122158560. Its totient is φ = 2080418832.

The previous prime is 2601161159. The next prime is 2601161191. The reversal of 2601161165 is 5611611062.

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 2601161165 - 2¹⁰ = 2601160141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40559 + ... + 82748.

It is an arithmetic number, because the mean of its divisors is an integer number (390269820).

Almost surely, 2^2601161165 is an apocalyptic number.

It is an amenable number.

2601161165 is a deficient number, since it is larger than the sum of its proper divisors (520997395).

2601161165 is a wasteful number, since it uses less digits than its factorization.

2601161165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127531.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 2601161165 is about 51001.5800245443. The cubic root of 2601161165 is about 1375.2735394083.

The spelling of 2601161165 in words is "two billion, six hundred one million, one hundred sixty-one thousand, one hundred sixty-five".