168664134 has 16 divisors (see below), whose sum is σ = 341393472. Its totient is φ = 55543848.

The previous prime is 168664127. The next prime is 168664141. The reversal of 168664134 is 431466861.

It is an interprime number because it is at equal distance from previous prime (168664127) and next prime (168664141).

It is a super-3 number, since 3×168664134³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168664092 and 168664101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168844 + ... + 169839.

It is an arithmetic number, because the mean of its divisors is an integer number (21337092).

Almost surely, 2^168664134 is an apocalyptic number.

168664134 is an abundant number, since it is smaller than the sum of its proper divisors (172729338).

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

168664134 is a wasteful number, since it uses less digits than its factorization.

168664134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338771.

The product of its digits is 82944, while the sum is 39.

The square root of 168664134 is about 12987.0756523553. The cubic root of 168664134 is about 552.5109805834.

The spelling of 168664134 in words is "one hundred sixty-eight million, six hundred sixty-four thousand, one hundred thirty-four".