618180013272 has 16 divisors (see below), whose sum is σ = 1545450033240. Its totient is φ = 206060004416.

The previous prime is 618180013189. The next prime is 618180013273. The reversal of 618180013272 is 272310081816.

It is a super-2 number, since 2×618180013272² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 618180013272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618180013273) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12878750253 + ... + 12878750300.

Almost surely, 2^618180013272 is an apocalyptic number.

It is an amenable number.

618180013272 is an abundant number, since it is smaller than the sum of its proper divisors (927270019968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618180013272 is a wasteful number, since it uses less digits than its factorization.

618180013272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25757500562 (or 25757500558 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 618180013272 in words is "six hundred eighteen billion, one hundred eighty million, thirteen thousand, two hundred seventy-two".