168714381 has 16 divisors (see below), whose sum is σ = 246254400. Its totient is φ = 101896320.

The previous prime is 168714353. The next prime is 168714397. The reversal of 168714381 is 183417861.

It is not a de Polignac number, because 168714381 - 2⁷ = 168714253 is a prime.

It is a super-2 number, since 2×168714381² = 56929084712426322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168714781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (15390900).

Almost surely, 2^168714381 is an apocalyptic number.

168714381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

168714381 is a deficient number, since it is larger than the sum of its proper divisors (77540019).

168714381 is a wasteful number, since it uses less digits than its factorization.

168714381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17756.

The product of its digits is 32256, while the sum is 39.

The square root of 168714381 is about 12989.0100084648. The cubic root of 168714381 is about 552.5658416104.

The spelling of 168714381 in words is "one hundred sixty-eight million, seven hundred fourteen thousand, three hundred eighty-one".