32166516223 has 4 divisors (see below), whose sum is σ = 32232028968. Its totient is φ = 32101003480.

The previous prime is 32166516131. The next prime is 32166516227. The reversal of 32166516223 is 32261566123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32261566123 = 89 ⋅362489507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32166516223 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 (32166516227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32755636 + ... + 32756617.

It is an arithmetic number, because the mean of its divisors is an integer number (8058007242).

Almost surely, 2^32166516223 is an apocalyptic number.

32166516223 is a deficient number, since it is larger than the sum of its proper divisors (65512745).

32166516223 is an equidigital number, since it uses as much as digits as its factorization.

32166516223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65512744.

The product of its digits is 77760, while the sum is 37.

The spelling of 32166516223 in words is "thirty-two billion, one hundred sixty-six million, five hundred sixteen thousand, two hundred twenty-three".