180219618396 has 18 divisors (see below), whose sum is σ = 455555146592. Its totient is φ = 60073206120.

The previous prime is 180219618361. The next prime is 180219618401. The reversal of 180219618396 is 693816912081.

180219618396 is a `hidden beast` number, since 1 + 8 + 0 + 2 + 19 + 618 + 3 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×180219618396² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2503050220 + ... + 2503050291.

Almost surely, 2^180219618396 is an apocalyptic number.

It is an amenable number.

180219618396 is an abundant number, since it is smaller than the sum of its proper divisors (275335528196).

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

180219618396 is a wasteful number, since it uses less digits than its factorization.

180219618396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006100521 (or 5006100516 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 180219618396 in words is "one hundred eighty billion, two hundred nineteen million, six hundred eighteen thousand, three hundred ninety-six".