166132304441543 has 12 divisors (see below), whose sum is σ = 182612493512064. Its totient is φ = 151025845977600.

The previous prime is 166132304441539. The next prime is 166132304441557. The reversal of 166132304441543 is 345144403231661.

It is not a de Polignac number, because 166132304441543 - 2² = 166132304441539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166132304441573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10790138 + ... + 21182343.

It is an arithmetic number, because the mean of its divisors is an integer number (15217707792672).

Almost surely, 2^{166132304441543} is an apocalyptic number.

166132304441543 is a deficient number, since it is larger than the sum of its proper divisors (16480189070521).

166132304441543 is a wasteful number, since it uses less digits than its factorization.

166132304441543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32015446 (or 32015435 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 166132304441543 in words is "one hundred sixty-six trillion, one hundred thirty-two billion, three hundred four million, four hundred forty-one thousand, five hundred forty-three".