16506445353 has 16 divisors (see below), whose sum is σ = 22228502400. Its totient is φ = 10894402944.

The previous prime is 16506445343. The next prime is 16506445369. The reversal of 16506445353 is 35354460561.

It is not a de Polignac number, because 16506445353 - 2⁴ = 16506445337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16506445343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1802775 + ... + 1811907.

It is an arithmetic number, because the mean of its divisors is an integer number (1389281400).

Almost surely, 2^16506445353 is an apocalyptic number.

It is an amenable number.

16506445353 is a deficient number, since it is larger than the sum of its proper divisors (5722057047).

16506445353 is a wasteful number, since it uses less digits than its factorization.

16506445353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15088.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 16506445353 in words is "sixteen billion, five hundred six million, four hundred forty-five thousand, three hundred fifty-three".