162402401 has 8 divisors (see below), whose sum is σ = 186849600. Its totient is φ = 138266928.

The previous prime is 162402391. The next prime is 162402451. The reversal of 162402401 is 104204261.

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 162402401 - 2⁶ = 162402337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162402451) 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 7 ways as a sum of consecutive naturals, for example, 76811 + ... + 78896.

It is an arithmetic number, because the mean of its divisors is an integer number (23356200).

Almost surely, 2^162402401 is an apocalyptic number.

It is an amenable number.

162402401 is a deficient number, since it is larger than the sum of its proper divisors (24447199).

162402401 is a wasteful number, since it uses less digits than its factorization.

162402401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155863.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 162402401 is about 12743.7200612694. The cubic root of 162402401 is about 545.5871695444.

Adding to 162402401 its reverse (104204261), we get a palindrome (266606662).

The spelling of 162402401 in words is "one hundred sixty-two million, four hundred two thousand, four hundred one".