20016164173 has 16 divisors (see below), whose sum is σ = 20561981440. Its totient is φ = 19478557296.

The previous prime is 20016164149. The next prime is 20016164177. The reversal of 20016164173 is 37146161002.

It is a cyclic number.

It is not a de Polignac number, because 20016164173 - 2¹⁷ = 20016033101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016164177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3026236 + ... + 3032842.

It is an arithmetic number, because the mean of its divisors is an integer number (1285123840).

Almost surely, 2^20016164173 is an apocalyptic number.

It is an amenable number.

20016164173 is a deficient number, since it is larger than the sum of its proper divisors (545817267).

20016164173 is a wasteful number, since it uses less digits than its factorization.

20016164173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 20016164173 in words is "twenty billion, sixteen million, one hundred sixty-four thousand, one hundred seventy-three".