168826121 has 8 divisors (see below), whose sum is σ = 170124864. Its totient is φ = 167531760.

The previous prime is 168826117. The next prime is 168826129. The reversal of 168826121 is 121628861.

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 168826121 - 2² = 168826117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168826129) 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, 130946 + ... + 132228.

It is an arithmetic number, because the mean of its divisors is an integer number (21265608).

Almost surely, 2^168826121 is an apocalyptic number.

It is an amenable number.

168826121 is a deficient number, since it is larger than the sum of its proper divisors (1298743).

168826121 is a wasteful number, since it uses less digits than its factorization.

168826121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191.

The product of its digits is 9216, while the sum is 35.

The square root of 168826121 is about 12993.3106250870. The cubic root of 168826121 is about 552.6878033163.

The spelling of 168826121 in words is "one hundred sixty-eight million, eight hundred twenty-six thousand, one hundred twenty-one".