168854442 has 32 divisors (see below), whose sum is σ = 344313600. Its totient is φ = 55194048.

The previous prime is 168854437. The next prime is 168854461. The reversal of 168854442 is 244458861.

It is a junction number, because it is equal to n+sod(n) for n = 168854394 and 168854403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73284 + ... + 75552.

It is an arithmetic number, because the mean of its divisors is an integer number (10759800).

Almost surely, 2^168854442 is an apocalyptic number.

168854442 is an abundant number, since it is smaller than the sum of its proper divisors (175459158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168854442 is a wasteful number, since it uses less digits than its factorization.

168854442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510.

The product of its digits is 245760, while the sum is 42.

The square root of 168854442 is about 12994.4004094071. The cubic root of 168854442 is about 552.7187065044.

The spelling of 168854442 in words is "one hundred sixty-eight million, eight hundred fifty-four thousand, four hundred forty-two".