168131468 has 12 divisors (see below), whose sum is σ = 297143952. Its totient is φ = 83233200.

The previous prime is 168131461. The next prime is 168131471. The reversal of 168131468 is 864131861.

It is not an unprimeable number, because it can be changed into a prime (168131461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207680 + ... + 208487.

It is an arithmetic number, because the mean of its divisors is an integer number (24761996).

Almost surely, 2^168131468 is an apocalyptic number.

It is an amenable number.

168131468 is a deficient number, since it is larger than the sum of its proper divisors (129012484).

168131468 is a wasteful number, since it uses less digits than its factorization.

168131468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416272 (or 416270 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 168131468 is about 12966.5518932367. The cubic root of 168131468 is about 551.9287303842.

It can be divided in two parts, 16813 and 1468, that added together give a palindrome (18281).

The spelling of 168131468 in words is "one hundred sixty-eight million, one hundred thirty-one thousand, four hundred sixty-eight".