66105166150166 has 48 divisors (see below), whose sum is σ = 118257674930640. Its totient is φ = 27322456201920.

The previous prime is 66105166150147. The next prime is 66105166150171.

66105166150166 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24460961 + ... + 27028668.

It is an arithmetic number, because the mean of its divisors is an integer number (2463701561055).

Almost surely, 2^{66105166150166} is an apocalyptic number.

66105166150166 is a deficient number, since it is larger than the sum of its proper divisors (52152508780474).

66105166150166 is a wasteful number, since it uses less digits than its factorization.

66105166150166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51489789 (or 51489722 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 66105166150166 in words is "sixty-six trillion, one hundred five billion, one hundred sixty-six million, one hundred fifty thousand, one hundred sixty-six".