16433321073736 has 24 divisors (see below), whose sum is σ = 35843085506070. Its totient is φ = 7042851888576.

The previous prime is 16433321073727. The next prime is 16433321073749. The reversal of 16433321073736 is 63737012333461.

16433321073736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16377480548100 + 55840525636 = 4046910^2 + 236306^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 16433321073736.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20960868325 + ... + 20960869108.

Almost surely, 2^{16433321073736} is an apocalyptic number.

It is an amenable number.

16433321073736 is an abundant number, since it is smaller than the sum of its proper divisors (19409764432334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16433321073736 is a wasteful number, since it uses less digits than its factorization.

16433321073736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41921737453 (or 41921737442 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 49.

The spelling of 16433321073736 in words is "sixteen trillion, four hundred thirty-three billion, three hundred twenty-one million, seventy-three thousand, seven hundred thirty-six".