16632221521193 has 2 divisors, whose sum is σ = 16632221521194. Its totient is φ = 16632221521192.

The previous prime is 16632221521183. The next prime is 16632221521207. The reversal of 16632221521193 is 39112512223661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11689923416809 + 4942298104384 = 3419053^2 + 2223128^2 .

It is a cyclic number.

It is not a de Polignac number, because 16632221521193 - 2¹⁰ = 16632221520169 is a prime.

It is not a weakly prime, because it can be changed into another prime (16632221521163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8316110760596 + 8316110760597.

It is an arithmetic number, because the mean of its divisors is an integer number (8316110760597).

Almost surely, 2^{16632221521193} is an apocalyptic number.

It is an amenable number.

16632221521193 is a deficient number, since it is larger than the sum of its proper divisors (1).

16632221521193 is an equidigital number, since it uses as much as digits as its factorization.

16632221521193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The spelling of 16632221521193 in words is "sixteen trillion, six hundred thirty-two billion, two hundred twenty-one million, five hundred twenty-one thousand, one hundred ninety-three".