32666461 has 4 divisors (see below), whose sum is σ = 33126624. Its totient is φ = 32206300.

The previous prime is 32666443. The next prime is 32666483. The reversal of 32666461 is 16466623.

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.

It is a cyclic number.

It is not a de Polignac number, because 32666461 - 2¹⁷ = 32535389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32666411) 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, 229975 + ... + 230116.

It is an arithmetic number, because the mean of its divisors is an integer number (8281656).

Almost surely, 2^32666461 is an apocalyptic number.

It is an amenable number.

32666461 is a deficient number, since it is larger than the sum of its proper divisors (460163).

32666461 is an equidigital number, since it uses as much as digits as its factorization.

32666461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460162.

The product of its digits is 31104, while the sum is 34.

The square root of 32666461 is about 5715.4580743804. The cubic root of 32666461 is about 319.6691274043.

The spelling of 32666461 in words is "thirty-two million, six hundred sixty-six thousand, four hundred sixty-one".