16433115644 has 12 divisors (see below), whose sum is σ = 31372311768. Its totient is φ = 7469598000.

The previous prime is 16433115607. The next prime is 16433115649. The reversal of 16433115644 is 44651133461.

It is a junction number, because it is equal to n+sod(n) for n = 16433115598 and 16433115607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16433115649) 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 in 3 ways as a sum of consecutive naturals, for example, 186739907 + ... + 186739994.

It is an arithmetic number, because the mean of its divisors is an integer number (2614359314).

Almost surely, 2^16433115644 is an apocalyptic number.

It is an amenable number.

16433115644 is a deficient number, since it is larger than the sum of its proper divisors (14939196124).

16433115644 is a wasteful number, since it uses less digits than its factorization.

16433115644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373479916 (or 373479914 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The spelling of 16433115644 in words is "sixteen billion, four hundred thirty-three million, one hundred fifteen thousand, six hundred forty-four".