168401849 has 8 divisors (see below), whose sum is σ = 209955648. Its totient is φ = 131222160.

The previous prime is 168401773. The next prime is 168401867. The reversal of 168401849 is 948104861.

168401849 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 cyclic number.

It is not a de Polignac number, because 168401849 - 2⁸ = 168401593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168401879) 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, 1093442 + ... + 1093595.

It is an arithmetic number, because the mean of its divisors is an integer number (26244456).

Almost surely, 2^168401849 is an apocalyptic number.

It is an amenable number.

168401849 is a deficient number, since it is larger than the sum of its proper divisors (41553799).

168401849 is a wasteful number, since it uses less digits than its factorization.

168401849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187055.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 168401849 is about 12976.9737997732. The cubic root of 168401849 is about 552.2244337402.

The spelling of 168401849 in words is "one hundred sixty-eight million, four hundred one thousand, eight hundred forty-nine".