19012371976664 has 16 divisors (see below), whose sum is σ = 38888942679720. Its totient is φ = 8641987262080.

The previous prime is 19012371976651. The next prime is 19012371976723. The reversal of 19012371976664 is 46667917321091.

It is a super-2 number, since 2×19012371976664² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19012371976597 and 19012371976606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108024840689 + ... + 108024840864.

Almost surely, 2^{19012371976664} is an apocalyptic number.

It is an amenable number.

19012371976664 is an abundant number, since it is smaller than the sum of its proper divisors (19876570703056).

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

19012371976664 is a wasteful number, since it uses less digits than its factorization.

19012371976664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216049681570 (or 216049681566 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 19012371976664 in words is "nineteen trillion, twelve billion, three hundred seventy-one million, nine hundred seventy-six thousand, six hundred sixty-four".