162295663644 has 18 divisors (see below), whose sum is σ = 410247372080. Its totient is φ = 54098554536.

The previous prime is 162295663609. The next prime is 162295663657. The reversal of 162295663644 is 446366592261.

162295663644 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 9 + 566 + 36 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 2254106404 + ... + 2254106475.

Almost surely, 2^162295663644 is an apocalyptic number.

It is an amenable number.

162295663644 is an abundant number, since it is smaller than the sum of its proper divisors (247951708436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162295663644 is a wasteful number, since it uses less digits than its factorization.

162295663644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508212889 (or 4508212884 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 162295663644 in words is "one hundred sixty-two billion, two hundred ninety-five million, six hundred sixty-three thousand, six hundred forty-four".