32161061 has 4 divisors (see below), whose sum is σ = 33559392. Its totient is φ = 30762732.

The previous prime is 32161057. The next prime is 32161079. The reversal of 32161061 is 16016123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16016123 = 53 ⋅302191.

It is a cyclic number.

It is not a de Polignac number, because 32161061 - 2² = 32161057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699131 + ... + 699176.

It is an arithmetic number, because the mean of its divisors is an integer number (8389848).

Almost surely, 2^32161061 is an apocalyptic number.

It is an amenable number.

32161061 is a deficient number, since it is larger than the sum of its proper divisors (1398331).

32161061 is a wasteful number, since it uses less digits than its factorization.

32161061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398330.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 32161061 is about 5671.0722971939. The cubic root of 32161061 is about 318.0119617615.

Adding to 32161061 its reverse (16016123), we get a palindrome (48177184).

The spelling of 32161061 in words is "thirty-two million, one hundred sixty-one thousand, sixty-one".