19036606705216 has 21 divisors (see below), whose sum is σ = 37775835694939. Its totient is φ = 9518285900224.

The previous prime is 19036606705211. The next prime is 19036606705253. The reversal of 19036606705216 is 61250760663091.

The square root of 19036606705216 is 4363096.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×19036606705216² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19036606705211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 34632075 + ... + 35177461.

Almost surely, 2^{19036606705216} is an apocalyptic number.

19036606705216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

19036606705216 is the 4363096-th square number.

It is an amenable number.

19036606705216 is a deficient number, since it is larger than the sum of its proper divisors (18739228989723).

19036606705216 is an frugal number, since it uses more digits than its factorization.

19036606705216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090786 (or 545389 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 19036606705216 in words is "nineteen trillion, thirty-six billion, six hundred six million, seven hundred five thousand, two hundred sixteen".