162106666 has 16 divisors (see below), whose sum is σ = 249661440. Its totient is φ = 78904720.

The previous prime is 162106649. The next prime is 162106667. The reversal of 162106666 is 666601261.

It is not an unprimeable number, because it can be changed into a prime (162106667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13440 + ... + 22468.

It is an arithmetic number, because the mean of its divisors is an integer number (15603840).

Almost surely, 2^162106666 is an apocalyptic number.

162106666 is a deficient number, since it is larger than the sum of its proper divisors (87554774).

162106666 is a wasteful number, since it uses less digits than its factorization.

162106666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 162106666 is about 12732.1116080562. Note that the first 3 decimals coincide. The cubic root of 162106666 is about 545.2557966524.

The spelling of 162106666 in words is "one hundred sixty-two million, one hundred six thousand, six hundred sixty-six".