65001161 has 8 divisors (see below), whose sum is σ = 66571200. Its totient is φ = 63443952.

The previous prime is 65001127. The next prime is 65001163. The reversal of 65001161 is 16110056.

It is a happy number.

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 65001161 - 2¹⁰ = 65000137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65001163) 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, 7466 + ... + 13628.

It is an arithmetic number, because the mean of its divisors is an integer number (8321400).

Almost surely, 2^65001161 is an apocalyptic number.

It is an amenable number.

65001161 is a deficient number, since it is larger than the sum of its proper divisors (1570039).

65001161 is a wasteful number, since it uses less digits than its factorization.

65001161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 65001161 is about 8062.3297501405. The cubic root of 65001161 is about 402.0749697229.

The spelling of 65001161 in words is "sixty-five million, one thousand, one hundred sixty-one".