168135006 has 32 divisors (see below), whose sum is σ = 363756960. Its totient is φ = 51502464.

The previous prime is 168135001. The next prime is 168135013. The reversal of 168135006 is 600531861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168135001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13156 + ... + 22568.

It is an arithmetic number, because the mean of its divisors is an integer number (11367405).

Almost surely, 2^168135006 is an apocalyptic number.

168135006 is an abundant number, since it is smaller than the sum of its proper divisors (195621954).

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

168135006 is a wasteful number, since it uses less digits than its factorization.

168135006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9660.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 168135006 is about 12966.6883204618. The cubic root of 168135006 is about 551.9326017795.

Adding to 168135006 its reverse (600531861), we get a palindrome (768666867).

The spelling of 168135006 in words is "one hundred sixty-eight million, one hundred thirty-five thousand, six".