72858218162 has 16 divisors (see below), whose sum is σ = 112821465600. Its totient is φ = 35251245120.

The previous prime is 72858218161. The next prime is 72858218201. The reversal of 72858218162 is 26181285827.

It is a self number, because there is not a number n which added to its sum of digits gives 72858218162.

It is not an unprimeable number, because it can be changed into a prime (72858218161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927539 + ... + 1003017.

It is an arithmetic number, because the mean of its divisors is an integer number (7051341600).

Almost surely, 2^72858218162 is an apocalyptic number.

72858218162 is a deficient number, since it is larger than the sum of its proper divisors (39963247438).

72858218162 is a wasteful number, since it uses less digits than its factorization.

72858218162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91081.

The product of its digits is 860160, while the sum is 50.

The spelling of 72858218162 in words is "seventy-two billion, eight hundred fifty-eight million, two hundred eighteen thousand, one hundred sixty-two".