16522002554 has 16 divisors (see below), whose sum is σ = 25679197800. Its totient is φ = 7963194624.

The previous prime is 16522002509. The next prime is 16522002557. The reversal of 16522002554 is 45520022561.

16522002554 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6224421025 + 10297581529 = 78895^2 + 101477^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16522002554.

It is not an unprimeable number, because it can be changed into a prime (16522002557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 195059 + ... + 266630.

Almost surely, 2^16522002554 is an apocalyptic number.

16522002554 is a deficient number, since it is larger than the sum of its proper divisors (9157195246).

16522002554 is a wasteful number, since it uses less digits than its factorization.

16522002554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462337.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 16522002554 in words is "sixteen billion, five hundred twenty-two million, two thousand, five hundred fifty-four".