168740853 has 8 divisors (see below), whose sum is σ = 225091968. Its totient is φ = 112441824.

The previous prime is 168740851. The next prime is 168740867. The reversal of 168740853 is 358047861.

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

It is not a de Polignac number, because 168740853 - 2¹ = 168740851 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168740851) 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, 4701 + ... + 18962.

It is an arithmetic number, because the mean of its divisors is an integer number (28136496).

Almost surely, 2^168740853 is an apocalyptic number.

It is an amenable number.

168740853 is a deficient number, since it is larger than the sum of its proper divisors (56351115).

168740853 is a wasteful number, since it uses less digits than its factorization.

168740853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26043.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 168740853 is about 12990.0289838014. The cubic root of 168740853 is about 552.5947400716.

The spelling of 168740853 in words is "one hundred sixty-eight million, seven hundred forty thousand, eight hundred fifty-three".