16432634762217 has 12 divisors (see below), whose sum is σ = 23738229783684. Its totient is φ = 10954073628960.

The previous prime is 16432634762213. The next prime is 16432634762237. The reversal of 16432634762217 is 71226743623461.

16432634762217 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 2 + 6 + 3 + 4 + 7 + 622 + 1 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2615921299161 + 13816713463056 = 1617381^2 + 3717084^2 .

It is not a de Polignac number, because 16432634762217 - 2² = 16432634762213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16432634762213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84581958 + ... + 84776015.

It is an arithmetic number, because the mean of its divisors is an integer number (1978185815307).

Almost surely, 2^{16432634762217} is an apocalyptic number.

It is an amenable number.

16432634762217 is a deficient number, since it is larger than the sum of its proper divisors (7305595021467).

16432634762217 is a wasteful number, since it uses less digits than its factorization.

16432634762217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169368760 (or 169368757 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The spelling of 16432634762217 in words is "sixteen trillion, four hundred thirty-two billion, six hundred thirty-four million, seven hundred sixty-two thousand, two hundred seventeen".