181065848418256 has 10 divisors (see below), whose sum is σ = 350815081310402. Its totient is φ = 90532924209120.

The previous prime is 181065848418199. The next prime is 181065848418263. The reversal of 181065848418256 is 652814848560181.

It can be written as a sum of positive squares in only one way, i.e., 175058937608256 + 6006910810000 = 13230984^2 + 2450900^2 .

It is a super-2 number, since 2×181065848418256² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 181065848418191 and 181065848418200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5658307763055 + ... + 5658307763086.

Almost surely, 2^{181065848418256} is an apocalyptic number.

181065848418256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

181065848418256 is a deficient number, since it is larger than the sum of its proper divisors (169749232892146).

181065848418256 is a wasteful number, since it uses less digits than its factorization.

181065848418256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316615526149 (or 11316615526143 counting only the distinct ones).

The product of its (nonzero) digits is 117964800, while the sum is 67.

The spelling of 181065848418256 in words is "one hundred eighty-one trillion, sixty-five billion, eight hundred forty-eight million, four hundred eighteen thousand, two hundred fifty-six".