16533635554 has 16 divisors (see below), whose sum is σ = 25396588800. Its totient is φ = 8070457824.

The previous prime is 16533635539. The next prime is 16533635563. The reversal of 16533635554 is 45553633561.

It is a super-2 number, since 2×16533635554² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573822 + ... + 601945.

It is an arithmetic number, because the mean of its divisors is an integer number (1587286800).

Almost surely, 2^16533635554 is an apocalyptic number.

16533635554 is a deficient number, since it is larger than the sum of its proper divisors (8862953246).

16533635554 is a wasteful number, since it uses less digits than its factorization.

16533635554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175937.

The product of its digits is 2430000, while the sum is 46.

The spelling of 16533635554 in words is "sixteen billion, five hundred thirty-three million, six hundred thirty-five thousand, five hundred fifty-four".