32666223543 has 8 divisors (see below), whose sum is σ = 43815773568. Its totient is φ = 21647077944.

The previous prime is 32666223517. The next prime is 32666223553. The reversal of 32666223543 is 34532266623.

It is a happy number.

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

It is not a de Polignac number, because 32666223543 - 2⁸ = 32666223287 is a prime.

It is a super-2 number, since 2×32666223543² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32666223495 and 32666223504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32666223553) 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, 32600521 + ... + 32601522.

It is an arithmetic number, because the mean of its divisors is an integer number (5476971696).

Almost surely, 2^32666223543 is an apocalyptic number.

32666223543 is a deficient number, since it is larger than the sum of its proper divisors (11149550025).

32666223543 is a wasteful number, since it uses less digits than its factorization.

32666223543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65202213.

The product of its digits is 933120, while the sum is 42.

The spelling of 32666223543 in words is "thirty-two billion, six hundred sixty-six million, two hundred twenty-three thousand, five hundred forty-three".