166416414625143 has 12 divisors (see below), whose sum is σ = 240422429453440. Its totient is φ = 110924354624256.

The previous prime is 166416414625093. The next prime is 166416414625231. The reversal of 166416414625143 is 341526414614661.

166416414625143 is a `hidden beast` number, since 1 + 6 + 6 + 4 + 1 + 6 + 4 + 1 + 4 + 625 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 166416414625143 - 2¹² = 166416414621047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166416414625143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166416414625243) 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 11 ways as a sum of consecutive naturals, for example, 1660096471 + ... + 1660196712.

Almost surely, 2^{166416414625143} is an apocalyptic number.

166416414625143 is a deficient number, since it is larger than the sum of its proper divisors (74006014828297).

166416414625143 is a wasteful number, since it uses less digits than its factorization.

166416414625143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320298758 (or 3320298755 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 166416414625143 in words is "one hundred sixty-six trillion, four hundred sixteen billion, four hundred fourteen million, six hundred twenty-five thousand, one hundred forty-three".