16550745535 has 8 divisors (see below), whose sum is σ = 19865729520. Its totient is φ = 13237373184.

The previous prime is 16550745529. The next prime is 16550745569. The reversal of 16550745535 is 53554705561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16550745535 - 2⁵ = 16550745503 is a prime.

It is a congruent number.

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, 380197 + ... + 421486.

It is an arithmetic number, because the mean of its divisors is an integer number (2483216190).

Almost surely, 2^16550745535 is an apocalyptic number.

16550745535 is a deficient number, since it is larger than the sum of its proper divisors (3314983985).

16550745535 is an equidigital number, since it uses as much as digits as its factorization.

16550745535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805817.

The product of its (nonzero) digits is 1575000, while the sum is 46.

The spelling of 16550745535 in words is "sixteen billion, five hundred fifty million, seven hundred forty-five thousand, five hundred thirty-five".