16404020552 has 8 divisors (see below), whose sum is σ = 30757538550. Its totient is φ = 8202010272.

The previous prime is 16404020537. The next prime is 16404020587. The reversal of 16404020552 is 25502040461.

16404020552 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., 11068302436 + 5335718116 = 105206^2 + 73046^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 1025251277 + ... + 1025251292.

Almost surely, 2^16404020552 is an apocalyptic number.

It is an amenable number.

16404020552 is a deficient number, since it is larger than the sum of its proper divisors (14353517998).

16404020552 is a wasteful number, since it uses less digits than its factorization.

16404020552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050502575 (or 2050502571 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 16404020552 in words is "sixteen billion, four hundred four million, twenty thousand, five hundred fifty-two".