168884932213 has 8 divisors (see below), whose sum is σ = 169894661400. Its totient is φ = 167875588608.

The previous prime is 168884932211. The next prime is 168884932219. The reversal of 168884932213 is 312239488861.

It can be written as a sum of positive squares in 4 ways, for example, as 146492204049 + 22392728164 = 382743^2 + 149642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168884932213 - 2¹ = 168884932211 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 (168884932211) 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, 807453 + ... + 994861.

It is an arithmetic number, because the mean of its divisors is an integer number (21236832675).

Almost surely, 2^168884932213 is an apocalyptic number.

It is an amenable number.

168884932213 is a deficient number, since it is larger than the sum of its proper divisors (1009729187).

168884932213 is a wasteful number, since it uses less digits than its factorization.

168884932213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192791.

The product of its digits is 3981312, while the sum is 55.

The spelling of 168884932213 in words is "one hundred sixty-eight billion, eight hundred eighty-four million, nine hundred thirty-two thousand, two hundred thirteen".