16445650506 has 16 divisors (see below), whose sum is σ = 33019285824. Its totient is φ = 5460552704.

The previous prime is 16445650477. The next prime is 16445650531. The reversal of 16445650506 is 60505654461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5331030 + ... + 5334113.

It is an arithmetic number, because the mean of its divisors is an integer number (2063705364).

Almost surely, 2^16445650506 is an apocalyptic number.

16445650506 is an abundant number, since it is smaller than the sum of its proper divisors (16573635318).

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

16445650506 is a wasteful number, since it uses less digits than its factorization.

16445650506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665405.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 16445650506 in words is "sixteen billion, four hundred forty-five million, six hundred fifty thousand, five hundred six".