168872373 has 24 divisors (see below), whose sum is σ = 259549056. Its totient is φ = 105436800.

The previous prime is 168872369. The next prime is 168872377. The reversal of 168872373 is 373278861.

It is an interprime number because it is at equal distance from previous prime (168872369) and next prime (168872377).

It is not a de Polignac number, because 168872373 - 2² = 168872369 is a prime.

It is a super-2 number, since 2×168872373² = 57035756725302258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168872377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29668 + ... + 34898.

It is an arithmetic number, because the mean of its divisors is an integer number (10814544).

Almost surely, 2^168872373 is an apocalyptic number.

It is an amenable number.

168872373 is a deficient number, since it is larger than the sum of its proper divisors (90676683).

168872373 is a wasteful number, since it uses less digits than its factorization.

168872373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465 (or 5462 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 168872373 is about 12995.0903421254. The cubic root of 168872373 is about 552.7382705901.

The spelling of 168872373 in words is "one hundred sixty-eight million, eight hundred seventy-two thousand, three hundred seventy-three".