166660624335042 has 24 divisors (see below), whose sum is σ = 361100566142316. Its totient is φ = 55553149637376.

The previous prime is 166660624335041. The next prime is 166660624335047. The reversal of 166660624335042 is 240533426066661.

166660624335042 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 128520970950681 + 38139653384361 = 11336709^2 + 6175731^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 166660624335042.

It is not an unprimeable number, because it can be changed into a prime (166660624335041) 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, 30021843 + ... + 35137334.

Almost surely, 2^{166660624335042} is an apocalyptic number.

166660624335042 is an abundant number, since it is smaller than the sum of its proper divisors (194439941807274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166660624335042 is a wasteful number, since it uses less digits than its factorization.

166660624335042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65301282 (or 65301279 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 54.

The spelling of 166660624335042 in words is "one hundred sixty-six trillion, six hundred sixty billion, six hundred twenty-four million, three hundred thirty-five thousand, forty-two".