168270220573 has 32 divisors (see below), whose sum is σ = 223949988864. Its totient is φ = 122639173632.

The previous prime is 168270220553. The next prime is 168270220589. The reversal of 168270220573 is 375022072861.

It is a cyclic number.

It is not a de Polignac number, because 168270220573 - 2²⁵ = 168236666141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168270220523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1084440 + ... + 1229857.

It is an arithmetic number, because the mean of its divisors is an integer number (6998437152).

Almost surely, 2^168270220573 is an apocalyptic number.

168270220573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

168270220573 is a deficient number, since it is larger than the sum of its proper divisors (55679768291).

168270220573 is a wasteful number, since it uses less digits than its factorization.

168270220573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314381.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 168270220573 in words is "one hundred sixty-eight billion, two hundred seventy million, two hundred twenty thousand, five hundred seventy-three".