272151222178 has 16 divisors (see below), whose sum is σ = 445384864800. Its totient is φ = 123692184000.

The previous prime is 272151222163. The next prime is 272151222193. The reversal of 272151222178 is 871222151272.

It is an interprime number because it is at equal distance from previous prime (272151222163) and next prime (272151222193).

It is a self number, because there is not a number n which added to its sum of digits gives 272151222178.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428748 + ... + 853303.

It is an arithmetic number, because the mean of its divisors is an integer number (27836554050).

Almost surely, 2^272151222178 is an apocalyptic number.

272151222178 is a deficient number, since it is larger than the sum of its proper divisors (173233642622).

272151222178 is a wasteful number, since it uses less digits than its factorization.

272151222178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291713.

The product of its digits is 62720, while the sum is 40.

The spelling of 272151222178 in words is "two hundred seventy-two billion, one hundred fifty-one million, two hundred twenty-two thousand, one hundred seventy-eight".