168849379 has 4 divisors (see below), whose sum is σ = 168952576. Its totient is φ = 168746184.

The previous prime is 168849377. The next prime is 168849449. The reversal of 168849379 is 973948861.

168849379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973948861 = 641 ⋅1519421.

It is a cyclic number.

It is not a de Polignac number, because 168849379 - 2¹ = 168849377 is a prime.

It is a super-2 number, since 2×168849379² = 57020225577371282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168849377) 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, 49104 + ... + 52429.

It is an arithmetic number, because the mean of its divisors is an integer number (42238144).

Almost surely, 2^168849379 is an apocalyptic number.

168849379 is a deficient number, since it is larger than the sum of its proper divisors (103197).

168849379 is a wasteful number, since it uses less digits than its factorization.

168849379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103196.

The product of its digits is 2612736, while the sum is 55.

The square root of 168849379 is about 12994.2055932635. The cubic root of 168849379 is about 552.7131821353.

The spelling of 168849379 in words is "one hundred sixty-eight million, eight hundred forty-nine thousand, three hundred seventy-nine".