16559278002 has 12 divisors (see below), whose sum is σ = 35878435710. Its totient is φ = 5519759328.

The previous prime is 16559277997. The next prime is 16559278033. The reversal of 16559278002 is 20087295561.

16559278002 is a `hidden beast` number, since 16 + 559 + 2 + 7 + 80 + 0 + 2 = 666.

16559278002 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., 16246306521 + 312971481 = 127461^2 + 17691^2 .

It is a super-2 number, since 2×16559278002² (a number of 21 digits) contains 22 as substring.

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 in 5 ways as a sum of consecutive naturals, for example, 459979927 + ... + 459979962.

Almost surely, 2^16559278002 is an apocalyptic number.

16559278002 is an abundant number, since it is smaller than the sum of its proper divisors (19319157708).

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

16559278002 is a wasteful number, since it uses less digits than its factorization.

16559278002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919959897 (or 919959894 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 16559278002 in words is "sixteen billion, five hundred fifty-nine million, two hundred seventy-eight thousand, two".