168140974 has 8 divisors (see below), whose sum is σ = 252588240. Its totient is φ = 83944896.

The previous prime is 168140969. The next prime is 168141007. The reversal of 168140974 is 479041861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61114 + ... + 63805.

It is an arithmetic number, because the mean of its divisors is an integer number (31573530).

Almost surely, 2^168140974 is an apocalyptic number.

168140974 is a deficient number, since it is larger than the sum of its proper divisors (84447266).

168140974 is a wasteful number, since it uses less digits than its factorization.

168140974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125594.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 168140974 is about 12966.9184465701. The cubic root of 168140974 is about 551.9391320373.

The spelling of 168140974 in words is "one hundred sixty-eight million, one hundred forty thousand, nine hundred seventy-four".