168465801 has 16 divisors (see below), whose sum is σ = 271810944. Its totient is φ = 90603264.

The previous prime is 168465797. The next prime is 168465833. The reversal of 168465801 is 108564861.

It is not a de Polignac number, because 168465801 - 2² = 168465797 is a prime.

It is a super-2 number, since 2×168465801² = 56761452213143202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168465801.

It is not an unprimeable number, because it can be changed into a prime (168465601) 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, 235590 + ... + 236303.

It is an arithmetic number, because the mean of its divisors is an integer number (16988184).

Almost surely, 2^168465801 is an apocalyptic number.

It is an amenable number.

168465801 is a deficient number, since it is larger than the sum of its proper divisors (103345143).

168465801 is a wasteful number, since it uses less digits than its factorization.

168465801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471920.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 168465801 is about 12979.4376226399. The cubic root of 168465801 is about 552.2943288307.

The spelling of 168465801 in words is "one hundred sixty-eight million, four hundred sixty-five thousand, eight hundred one".