168235974 has 16 divisors (see below), whose sum is σ = 373857840. Its totient is φ = 56078640.

The previous prime is 168235973. The next prime is 168236017. The reversal of 168235974 is 479532861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168235973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557687 + ... + 1557794.

It is an arithmetic number, because the mean of its divisors is an integer number (23366115).

Almost surely, 2^168235974 is an apocalyptic number.

168235974 is an abundant number, since it is smaller than the sum of its proper divisors (205621866).

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

168235974 is a wasteful number, since it uses less digits than its factorization.

168235974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115492 (or 3115486 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 168235974 is about 12970.5810972369. The cubic root of 168235974 is about 552.0430613855.

The spelling of 168235974 in words is "one hundred sixty-eight million, two hundred thirty-five thousand, nine hundred seventy-four".