180497366049 has 192 divisors, whose sum is σ = 353805025280. Its totient is φ = 79343193600.

The previous prime is 180497366047. The next prime is 180497366089. The reversal of 180497366049 is 940663794081.

It is not a de Polignac number, because 180497366049 - 2¹ = 180497366047 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 180497366049.

It is not an unprimeable number, because it can be changed into a prime (180497366047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19451799 + ... + 19461075.

Almost surely, 2^180497366049 is an apocalyptic number.

180497366049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

180497366049 is a deficient number, since it is larger than the sum of its proper divisors (173307659231).

180497366049 is a wasteful number, since it uses less digits than its factorization.

180497366049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372 (or 9361 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 180497366049 in words is "one hundred eighty billion, four hundred ninety-seven million, three hundred sixty-six thousand, forty-nine".