16433321073725 has 12 divisors (see below), whose sum is σ = 20377413006516. Its totient is φ = 13146595649280.

The previous prime is 16433321073691. The next prime is 16433321073727. The reversal of 16433321073725 is 52737012333461.

It can be written as a sum of positive squares in 6 ways, for example, as 634071393796 + 15799249679929 = 796286^2 + 3974827^2 .

It is not a de Polignac number, because 16433321073725 - 2³⁰ = 16432247331901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16433321073725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16433321073727) 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, 4396799 + ... + 7224851.

It is an arithmetic number, because the mean of its divisors is an integer number (1698117750543).

Almost surely, 2^{16433321073725} is an apocalyptic number.

It is an amenable number.

16433321073725 is a deficient number, since it is larger than the sum of its proper divisors (3944091932791).

16433321073725 is a wasteful number, since it uses less digits than its factorization.

16433321073725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060496 (or 3060491 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 16433321073725 in words is "sixteen trillion, four hundred thirty-three billion, three hundred twenty-one million, seventy-three thousand, seven hundred twenty-five".