65533161 has 8 divisors (see below), whose sum is σ = 89409760. Its totient is φ = 42672672.

The previous prime is 65533157. The next prime is 65533177. The reversal of 65533161 is 16133556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65533161 - 2² = 65533157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65533151) 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, 253876 + ... + 254133.

It is an arithmetic number, because the mean of its divisors is an integer number (11176220).

Almost surely, 2^65533161 is an apocalyptic number.

It is an amenable number.

65533161 is a deficient number, since it is larger than the sum of its proper divisors (23876599).

65533161 is a wasteful number, since it uses less digits than its factorization.

65533161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508055.

The product of its digits is 8100, while the sum is 30.

The square root of 65533161 is about 8095.2554623063. The cubic root of 65533161 is about 403.1689140791.

The spelling of 65533161 in words is "sixty-five million, five hundred thirty-three thousand, one hundred sixty-one".