168986373 has 4 divisors (see below), whose sum is σ = 225315168. Its totient is φ = 112657580.

The previous prime is 168986369. The next prime is 168986383. The reversal of 168986373 is 373689861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168986373 - 2² = 168986369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168986333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28164393 + ... + 28164398.

It is an arithmetic number, because the mean of its divisors is an integer number (56328792).

Almost surely, 2^168986373 is an apocalyptic number.

It is an amenable number.

168986373 is a deficient number, since it is larger than the sum of its proper divisors (56328795).

168986373 is an equidigital number, since it uses as much as digits as its factorization.

168986373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56328794.

The product of its digits is 1306368, while the sum is 51.

The square root of 168986373 is about 12999.4758740497. The cubic root of 168986373 is about 552.8626208867.

The spelling of 168986373 in words is "one hundred sixty-eight million, nine hundred eighty-six thousand, three hundred seventy-three".