166024135663 has 12 divisors (see below), whose sum is σ = 174174216048. Its totient is φ = 158240408480.

The previous prime is 166024135643. The next prime is 166024135679. The reversal of 166024135663 is 366531420661.

It is not a de Polignac number, because 166024135663 - 2²⁵ = 165990581231 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 (166024135643) 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, 409795 + ... + 707092.

It is an arithmetic number, because the mean of its divisors is an integer number (14514518004).

Almost surely, 2^166024135663 is an apocalyptic number.

166024135663 is a deficient number, since it is larger than the sum of its proper divisors (8150080385).

166024135663 is a wasteful number, since it uses less digits than its factorization.

166024135663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117214 (or 1117191 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 166024135663 in words is "one hundred sixty-six billion, twenty-four million, one hundred thirty-five thousand, six hundred sixty-three".