166835001664 has 28 divisors (see below), whose sum is σ = 332017323264. Its totient is φ = 83177093504.

The previous prime is 166835001643. The next prime is 166835001667. The reversal of 166835001664 is 466100538661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166835001667) 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 3 ways as a sum of consecutive naturals, for example, 3733984 + ... + 3778399.

Almost surely, 2^166835001664 is an apocalyptic number.

It is an amenable number.

166835001664 is a deficient number, since it is larger than the sum of its proper divisors (165182321600).

166835001664 is an equidigital number, since it uses as much as digits as its factorization.

166835001664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512742 (or 7512732 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 166835001664 in words is "one hundred sixty-six billion, eight hundred thirty-five million, one thousand, six hundred sixty-four".