168137122 has 8 divisors (see below), whose sum is σ = 255398400. Its totient is φ = 83004324.

The previous prime is 168137111. The next prime is 168137131. The reversal of 168137122 is 221731861.

168137122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531922 + ... + 532237.

It is an arithmetic number, because the mean of its divisors is an integer number (31924800).

Almost surely, 2^168137122 is an apocalyptic number.

168137122 is a deficient number, since it is larger than the sum of its proper divisors (87261278).

168137122 is a wasteful number, since it uses less digits than its factorization.

168137122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064240.

The product of its digits is 4032, while the sum is 31.

The square root of 168137122 is about 12966.7699138991. The cubic root of 168137122 is about 551.9349171500.

Adding to 168137122 its reverse (221731861), we get a palindrome (389868983).

The spelling of 168137122 in words is "one hundred sixty-eight million, one hundred thirty-seven thousand, one hundred twenty-two".