162408400665 has 32 divisors (see below), whose sum is σ = 297019683840. Its totient is φ = 74232759744.

The previous prime is 162408400657. The next prime is 162408400681. The reversal of 162408400665 is 566004804261.

It is not a de Polignac number, because 162408400665 - 2³ = 162408400657 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613266 + ... + 837204.

It is an arithmetic number, because the mean of its divisors is an integer number (9281865120).

Almost surely, 2^162408400665 is an apocalyptic number.

162408400665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

162408400665 is a deficient number, since it is larger than the sum of its proper divisors (134611283175).

162408400665 is a wasteful number, since it uses less digits than its factorization.

162408400665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230861.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 162408400665 in words is "one hundred sixty-two billion, four hundred eight million, four hundred thousand, six hundred sixty-five".