166360025620216 has 32 divisors (see below), whose sum is σ = 313618396758480. Its totient is φ = 82728749376000.

The previous prime is 166360025620171. The next prime is 166360025620219. The reversal of 166360025620216 is 612026520063661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166360025620219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14019345 + ... + 23005696.

Almost surely, 2^{166360025620216} is an apocalyptic number.

It is an amenable number.

166360025620216 is a deficient number, since it is larger than the sum of its proper divisors (147258371138264).

166360025620216 is a wasteful number, since it uses less digits than its factorization.

166360025620216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37028095 (or 37028091 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

Adding to 166360025620216 its reverse (612026520063661), we get a palindrome (778386545683877).

The spelling of 166360025620216 in words is "one hundred sixty-six trillion, three hundred sixty billion, twenty-five million, six hundred twenty thousand, two hundred sixteen".