32116161 has 32 divisors (see below), whose sum is σ = 54706176. Its totient is φ = 16272000.

The previous prime is 32116159. The next prime is 32116163. The reversal of 32116161 is 16161123.

32116161 = 378² + 379² + ... + 531².

It is an interprime number because it is at equal distance from previous prime (32116159) and next prime (32116163).

It is not a de Polignac number, because 32116161 - 2¹ = 32116159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (32116163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7776 + ... + 11166.

It is an arithmetic number, because the mean of its divisors is an integer number (1709568).

Almost surely, 2^32116161 is an apocalyptic number.

It is an amenable number.

32116161 is a deficient number, since it is larger than the sum of its proper divisors (22590015).

32116161 is a wasteful number, since it uses less digits than its factorization.

32116161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453.

The product of its digits is 216, while the sum is 21.

The square root of 32116161 is about 5667.1122275812. The cubic root of 32116161 is about 317.8639008597.

Adding to 32116161 its reverse (16161123), we get a palindrome (48277284).

The spelling of 32116161 in words is "thirty-two million, one hundred sixteen thousand, one hundred sixty-one".