16506432633 has 8 divisors (see below), whose sum is σ = 22009233600. Its totient is φ = 11003960048.

The previous prime is 16506432617. The next prime is 16506432641. The reversal of 16506432633 is 33623460561.

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 16506432633 - 2⁴ = 16506432617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16506432591 and 16506432600.

It is not an unprimeable number, because it can be changed into a prime (16506432233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82123 + ... + 199391.

It is an arithmetic number, because the mean of its divisors is an integer number (2751154200).

Almost surely, 2^16506432633 is an apocalyptic number.

It is an amenable number.

16506432633 is a deficient number, since it is larger than the sum of its proper divisors (5502800967).

16506432633 is a wasteful number, since it uses less digits than its factorization.

16506432633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164191.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 16506432633 in words is "sixteen billion, five hundred six million, four hundred thirty-two thousand, six hundred thirty-three".