32161266 has 16 divisors (see below), whose sum is σ = 71469600. Its totient is φ = 10720404.

The previous prime is 32161247. The next prime is 32161267. The reversal of 32161266 is 66216123.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (32161267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297736 + ... + 297843.

It is an arithmetic number, because the mean of its divisors is an integer number (4466850).

Almost surely, 2^32161266 is an apocalyptic number.

32161266 is an abundant number, since it is smaller than the sum of its proper divisors (39308334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32161266 is a wasteful number, since it uses less digits than its factorization.

32161266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595590 (or 595584 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 32161266 is about 5671.0903713484. The cubic root of 32161266 is about 318.0126374472.

Adding to 32161266 its reverse (66216123), we get a palindrome (98377389).

The spelling of 32161266 in words is "thirty-two million, one hundred sixty-one thousand, two hundred sixty-six".