166041462516746 has 16 divisors (see below), whose sum is σ = 249087622978440. Its totient is φ = 83012255293440.

The previous prime is 166041462516719. The next prime is 166041462516749. The reversal of 166041462516746 is 647615264140661.

It can be written as a sum of positive squares in 4 ways, for example, as 143188865484025 + 22852597032721 = 11966155^2 + 4780439^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166041462516749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968193326 + ... + 968364806.

Almost surely, 2^{166041462516746} is an apocalyptic number.

166041462516746 is a deficient number, since it is larger than the sum of its proper divisors (83046160461694).

166041462516746 is a wasteful number, since it uses less digits than its factorization.

166041462516746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218089.

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 166041462516746 in words is "one hundred sixty-six trillion, forty-one billion, four hundred sixty-two million, five hundred sixteen thousand, seven hundred forty-six".