162636641615144 has 16 divisors (see below), whose sum is σ = 305501186954400. Its totient is φ = 81169658427312.

The previous prime is 162636641615113. The next prime is 162636641615159. The reversal of 162636641615144 is 441516146636261.

It is a super-2 number, since 2×162636641615144² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 162636641615144.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18582792884 + ... + 18582801635.

It is an arithmetic number, because the mean of its divisors is an integer number (19093824184650).

Almost surely, 2^{162636641615144} is an apocalyptic number.

It is an amenable number.

162636641615144 is a deficient number, since it is larger than the sum of its proper divisors (142864545339256).

162636641615144 is a wasteful number, since it uses less digits than its factorization.

162636641615144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37165595072 (or 37165595068 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 56.

The spelling of 162636641615144 in words is "one hundred sixty-two trillion, six hundred thirty-six billion, six hundred forty-one million, six hundred fifteen thousand, one hundred forty-four".