168641334 has 24 divisors (see below), whose sum is σ = 366298920. Its totient is φ = 56073888.

The previous prime is 168641299. The next prime is 168641339. The reversal of 168641334 is 433146861.

It is a happy number.

168641334 is a `hidden beast` number, since 1 + 6 + 8 + 641 + 3 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168641339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4092 + ... + 18815.

It is an arithmetic number, because the mean of its divisors is an integer number (15262455).

Almost surely, 2^168641334 is an apocalyptic number.

168641334 is an abundant number, since it is smaller than the sum of its proper divisors (197657586).

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

168641334 is a wasteful number, since it uses less digits than its factorization.

168641334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23324 (or 23321 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 168641334 is about 12986.1978269238. The cubic root of 168641334 is about 552.4860833360.

The spelling of 168641334 in words is "one hundred sixty-eight million, six hundred forty-one thousand, three hundred thirty-four".