166325544013012 has 48 divisors (see below), whose sum is σ = 301585976358912. Its totient is φ = 80178369020640.

The previous prime is 166325544013001. The next prime is 166325544013019. The reversal of 166325544013012 is 210310445523661.

It is a self number, because there is not a number n which added to its sum of digits gives 166325544013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166325544013019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162421743 + ... + 163442569.

It is an arithmetic number, because the mean of its divisors is an integer number (6283041174144).

Almost surely, 2^{166325544013012} is an apocalyptic number.

It is an amenable number.

166325544013012 is a deficient number, since it is larger than the sum of its proper divisors (135260432345900).

166325544013012 is a wasteful number, since it uses less digits than its factorization.

166325544013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025788 (or 1025786 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 166325544013012 its reverse (210310445523661), we get a palindrome (376635989536673).

The spelling of 166325544013012 in words is "one hundred sixty-six trillion, three hundred twenty-five billion, five hundred forty-four million, thirteen thousand, twelve".