168442954 has 8 divisors (see below), whose sum is σ = 258540480. Its totient is φ = 82262796.

The previous prime is 168442943. The next prime is 168442979. The reversal of 168442954 is 459244861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×168442954² = 56746057504492232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 168442954.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 979234 + ... + 979405.

It is an arithmetic number, because the mean of its divisors is an integer number (32317560).

Almost surely, 2^168442954 is an apocalyptic number.

168442954 is a deficient number, since it is larger than the sum of its proper divisors (90097526).

168442954 is a wasteful number, since it uses less digits than its factorization.

168442954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958684.

The product of its digits is 276480, while the sum is 43.

The square root of 168442954 is about 12978.5574699194. The cubic root of 168442954 is about 552.2693606791.

The spelling of 168442954 in words is "one hundred sixty-eight million, four hundred forty-two thousand, nine hundred fifty-four".