168141975 has 24 divisors (see below), whose sum is σ = 278388432. Its totient is φ = 89548800.

The previous prime is 168141959. The next prime is 168141977. The reversal of 168141975 is 579141861.

It is not a de Polignac number, because 168141975 - 2⁴ = 168141959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168141977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78519 + ... + 80631.

It is an arithmetic number, because the mean of its divisors is an integer number (11599518).

Almost surely, 2^168141975 is an apocalyptic number.

168141975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168141975 is a deficient number, since it is larger than the sum of its proper divisors (110246457).

168141975 is a wasteful number, since it uses less digits than its factorization.

168141975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3182 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 168141975 is about 12966.9570447349. The cubic root of 168141975 is about 551.9402273285.

The spelling of 168141975 in words is "one hundred sixty-eight million, one hundred forty-one thousand, nine hundred seventy-five".