168045801 has 16 divisors (see below), whose sum is σ = 279349248. Its totient is φ = 87296400.

The previous prime is 168045769. The next prime is 168045809. The reversal of 168045801 is 108540861.

It is not a de Polignac number, because 168045801 - 2⁵ = 168045769 is a prime.

It is a super-5 number, since 5×168045801⁵ (a number of 42 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (168045809) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 363505 + ... + 363966.

It is an arithmetic number, because the mean of its divisors is an integer number (17459328).

Almost surely, 2^168045801 is an apocalyptic number.

168045801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

168045801 is a deficient number, since it is larger than the sum of its proper divisors (111303447).

168045801 is a wasteful number, since it uses less digits than its factorization.

168045801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727492.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 168045801 is about 12963.2480883458. The cubic root of 168045801 is about 551.8349741670.

The spelling of 168045801 in words is "one hundred sixty-eight million, forty-five thousand, eight hundred one".