166516246046 has 4 divisors (see below), whose sum is σ = 249774369072. Its totient is φ = 83258123022.

The previous prime is 166516246037. The next prime is 166516246063. The reversal of 166516246046 is 640642615661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640642615661 = 233341 ⋅2745521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41629061510 + ... + 41629061513.

It is an arithmetic number, because the mean of its divisors is an integer number (62443592268).

Almost surely, 2^166516246046 is an apocalyptic number.

166516246046 is a deficient number, since it is larger than the sum of its proper divisors (83258123026).

166516246046 is an equidigital number, since it uses as much as digits as its factorization.

166516246046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83258123025.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 166516246046 in words is "one hundred sixty-six billion, five hundred sixteen million, two hundred forty-six thousand, forty-six".