162974583918144 has 140 divisors (see below), whose sum is σ = 483123225179100. Its totient is φ = 54323118001152.

The previous prime is 162974583918131. The next prime is 162974583918149. The reversal of 162974583918144 is 441819385479261.

It is a happy number.

162974583918144 is a `hidden beast` number, since 1 + 6 + 2 + 9 + 7 + 458 + 3 + 91 + 81 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119292530540544 + 43682053377600 = 10922112^2 + 6609240^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (162974583918149) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 166379442 + ... + 167356110.

Almost surely, 2^{162974583918144} is an apocalyptic number.

It is an amenable number.

162974583918144 is an abundant number, since it is smaller than the sum of its proper divisors (320148641260956).

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

162974583918144 is an equidigital number, since it uses as much as digits as its factorization.

162974583918144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008882 (or 1008863 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 72.

The spelling of 162974583918144 in words is "one hundred sixty-two trillion, nine hundred seventy-four billion, five hundred eighty-three million, nine hundred eighteen thousand, one hundred forty-four".