16632437389 has 2 divisors, whose sum is σ = 16632437390. Its totient is φ = 16632437388.

The previous prime is 16632437377. The next prime is 16632437413. The reversal of 16632437389 is 98373423661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16465252489 + 167184900 = 128317^2 + 12930^2 .

It is a cyclic number.

It is not a de Polignac number, because 16632437389 - 2⁵ = 16632437357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16632437089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8316218694 + 8316218695.

It is an arithmetic number, because the mean of its divisors is an integer number (8316218695).

Almost surely, 2^16632437389 is an apocalyptic number.

It is an amenable number.

16632437389 is a deficient number, since it is larger than the sum of its proper divisors (1).

16632437389 is an equidigital number, since it uses as much as digits as its factorization.

16632437389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 52.

The spelling of 16632437389 in words is "sixteen billion, six hundred thirty-two million, four hundred thirty-seven thousand, three hundred eighty-nine".