32164481 has 8 divisors (see below), whose sum is σ = 32999400. Its totient is φ = 31338112.

The previous prime is 32164477. The next prime is 32164487. The reversal of 32164481 is 18446123.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 32035600 = 359^2 + 5660^2 .

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 32164481 - 2² = 32164477 is a prime.

It is a super-2 number, since 2×32164481² = 2069107675998722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32164487) 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, 5861 + ... + 9933.

It is an arithmetic number, because the mean of its divisors is an integer number (4124925).

Almost surely, 2^32164481 is an apocalyptic number.

It is an amenable number.

32164481 is a deficient number, since it is larger than the sum of its proper divisors (834919).

32164481 is a wasteful number, since it uses less digits than its factorization.

32164481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its digits is 4608, while the sum is 29.

The square root of 32164481 is about 5671.3738194550. The cubic root of 32164481 is about 318.0232338021.

The spelling of 32164481 in words is "thirty-two million, one hundred sixty-four thousand, four hundred eighty-one".