168209934 has 32 divisors (see below), whose sum is σ = 361241856. Its totient is φ = 52026240.

The previous prime is 168209933. The next prime is 168209939. The reversal of 168209934 is 439902861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168209933) 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, 4372 + ... + 18855.

It is an arithmetic number, because the mean of its divisors is an integer number (11288808).

Almost surely, 2^168209934 is an apocalyptic number.

168209934 is an abundant number, since it is smaller than the sum of its proper divisors (193031922).

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

168209934 is a wasteful number, since it uses less digits than its factorization.

168209934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23320.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 168209934 is about 12969.5772483146. The cubic root of 168209934 is about 552.0145776974.

The spelling of 168209934 in words is "one hundred sixty-eight million, two hundred nine thousand, nine hundred thirty-four".