162556253864 has 32 divisors (see below), whose sum is σ = 306838022400. Its totient is φ = 80733132480.

The previous prime is 162556253861. The next prime is 162556253869. The reversal of 162556253864 is 468352655261.

162556253864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (162556253861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987617 + ... + 4028175.

It is an arithmetic number, because the mean of its divisors is an integer number (9588688200).

Almost surely, 2^162556253864 is an apocalyptic number.

It is an amenable number.

162556253864 is a deficient number, since it is larger than the sum of its proper divisors (144281768536).

162556253864 is a wasteful number, since it uses less digits than its factorization.

162556253864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43913 (or 43909 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 53.

The spelling of 162556253864 in words is "one hundred sixty-two billion, five hundred fifty-six million, two hundred fifty-three thousand, eight hundred sixty-four".