166863838042924 has 192 divisors, whose sum is σ = 346537365350400. Its totient is φ = 69574817894400.

The previous prime is 166863838042897. The next prime is 166863838042931. The reversal of 166863838042924 is 429240838368661.

It is a happy number.

166863838042924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 301429839 + ... + 301982905.

It is an arithmetic number, because the mean of its divisors is an integer number (1804882111200).

Almost surely, 2^{166863838042924} is an apocalyptic number.

It is an amenable number.

166863838042924 is an abundant number, since it is smaller than the sum of its proper divisors (179673527307476).

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

166863838042924 is a wasteful number, since it uses less digits than its factorization.

166863838042924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553304 (or 553302 counting only the distinct ones).

The product of its (nonzero) digits is 573308928, while the sum is 70.

The spelling of 166863838042924 in words is "one hundred sixty-six trillion, eight hundred sixty-three billion, eight hundred thirty-eight million, forty-two thousand, nine hundred twenty-four".