19666759512160 has 48 divisors (see below), whose sum is σ = 46501406495712. Its totient is φ = 7860153600000.

The previous prime is 19666759512151. The next prime is 19666759512163. The reversal of 19666759512160 is 6121595766691.

It is a junction number, because it is equal to n+sod(n) for n = 19666759512092 and 19666759512101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19666759512163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50980716 + ... + 51365035.

It is an arithmetic number, because the mean of its divisors is an integer number (968779301994).

Almost surely, 2^{19666759512160} is an apocalyptic number.

19666759512160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19666759512160 is an abundant number, since it is smaller than the sum of its proper divisors (26834646983552).

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

19666759512160 is a wasteful number, since it uses less digits than its factorization.

19666759512160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102346967 (or 102346959 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 64.

The spelling of 19666759512160 in words is "nineteen trillion, six hundred sixty-six billion, seven hundred fifty-nine million, five hundred twelve thousand, one hundred sixty".