19085754666672 has 120 divisors (see below), whose sum is σ = 54753675116400. Its totient is φ = 6204265334784.

The previous prime is 19085754666637. The next prime is 19085754666689. The reversal of 19085754666672 is 27666645758091.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 19085754666672.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9264522 + ... + 11135657.

It is an arithmetic number, because the mean of its divisors is an integer number (456280625970).

Almost surely, 2^{19085754666672} is an apocalyptic number.

19085754666672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19085754666672 is an abundant number, since it is smaller than the sum of its proper divisors (35667920449728).

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

19085754666672 is a wasteful number, since it uses less digits than its factorization.

19085754666672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400355 (or 20400346 counting only the distinct ones).

The product of its (nonzero) digits is 914457600, while the sum is 72.

The spelling of 19085754666672 in words is "nineteen trillion, eighty-five billion, seven hundred fifty-four million, six hundred sixty-six thousand, six hundred seventy-two".