166049366105 has 16 divisors (see below), whose sum is σ = 227902955520. Its totient is φ = 113773367232.

The previous prime is 166049366059. The next prime is 166049366117. The reversal of 166049366105 is 501663940661.

It is not a de Polignac number, because 166049366105 - 2⁸ = 166049365849 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166049366105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809914 + ... + 1899443.

It is an arithmetic number, because the mean of its divisors is an integer number (14243934720).

Almost surely, 2^166049366105 is an apocalyptic number.

It is an amenable number.

166049366105 is a deficient number, since it is larger than the sum of its proper divisors (61853589415).

166049366105 is a wasteful number, since it uses less digits than its factorization.

166049366105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710648.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 166049366105 in words is "one hundred sixty-six billion, forty-nine million, three hundred sixty-six thousand, one hundred five".