16433432461 has 2 divisors, whose sum is σ = 16433432462. Its totient is φ = 16433432460.

The previous prime is 16433432441. The next prime is 16433432489. The reversal of 16433432461 is 16423433461.

16433432461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13640838436 + 2792594025 = 116794^2 + 52845^2 .

It is a cyclic number.

It is not a de Polignac number, because 16433432461 - 2³¹ = 14285948813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16433432461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16433432401) 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 as a sum of consecutive naturals, namely, 8216716230 + 8216716231.

It is an arithmetic number, because the mean of its divisors is an integer number (8216716231).

Almost surely, 2^16433432461 is an apocalyptic number.

It is an amenable number.

16433432461 is a deficient number, since it is larger than the sum of its proper divisors (1).

16433432461 is an equidigital number, since it uses as much as digits as its factorization.

16433432461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 37.

The spelling of 16433432461 in words is "sixteen billion, four hundred thirty-three million, four hundred thirty-two thousand, four hundred sixty-one".