168947494 has 8 divisors (see below), whose sum is σ = 253530000. Its totient is φ = 84437496.

The previous prime is 168947483. The next prime is 168947497. The reversal of 168947494 is 494749861.

168947494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168947497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11869 + ... + 21880.

It is an arithmetic number, because the mean of its divisors is an integer number (31691250).

Almost surely, 2^168947494 is an apocalyptic number.

168947494 is a deficient number, since it is larger than the sum of its proper divisors (84582506).

168947494 is a wasteful number, since it uses less digits than its factorization.

168947494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36254.

The product of its digits is 1741824, while the sum is 52.

The square root of 168947494 is about 12997.9803815824. The cubic root of 168947494 is about 552.8202182675.

The spelling of 168947494 in words is "one hundred sixty-eight million, nine hundred forty-seven thousand, four hundred ninety-four".