180668767225 has 12 divisors (see below), whose sum is σ = 224069758444. Its totient is φ = 144508893120.

The previous prime is 180668767211. The next prime is 180668767249. The reversal of 180668767225 is 522767866081.

It is a happy number.

180668767225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 26636851264 + 154031915961 = 163208^2 + 392469^2 .

It is a de Polignac number, because none of the positive numbers 2^k-180668767225 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 180668767225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511314 + ... + 789163.

Almost surely, 2^180668767225 is an apocalyptic number.

It is an amenable number.

180668767225 is a deficient number, since it is larger than the sum of its proper divisors (43400991219).

180668767225 is a wasteful number, since it uses less digits than its factorization.

180668767225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306044 (or 1306039 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 180668767225 in words is "one hundred eighty billion, six hundred sixty-eight million, seven hundred sixty-seven thousand, two hundred twenty-five".