19670608744336 has 45 divisors (see below), whose sum is σ = 41891903125723. Its totient is φ = 8941097089760.

The previous prime is 19670608744333. The next prime is 19670608744351. The reversal of 19670608744336 is 63344780607691.

The square root of 19670608744336 is 4435156.

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

It is a super-2 number, since 2×19670608744336² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19670608744333) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 195096465 + ... + 195197263.

Almost surely, 2^{19670608744336} is an apocalyptic number.

19670608744336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

19670608744336 is the 4435156-th square number.

It is an amenable number.

19670608744336 is an abundant number, since it is smaller than the sum of its proper divisors (22221294381387).

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

19670608744336 is an frugal number, since it uses more digits than its factorization.

19670608744336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201628 (or 100812 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 64.

The spelling of 19670608744336 in words is "nineteen trillion, six hundred seventy billion, six hundred eight million, seven hundred forty-four thousand, three hundred thirty-six".