16506423530 has 32 divisors (see below), whose sum is σ = 31857546240. Its totient is φ = 6135517440.

The previous prime is 16506423529. The next prime is 16506423539. The reversal of 16506423530 is 3532460561.

It is not an unprimeable number, because it can be changed into a prime (16506423539) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 601106 + ... + 627965.

It is an arithmetic number, because the mean of its divisors is an integer number (995548320).

Almost surely, 2^16506423530 is an apocalyptic number.

16506423530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16506423530 is a deficient number, since it is larger than the sum of its proper divisors (15351122710).

16506423530 is a wasteful number, since it uses less digits than its factorization.

16506423530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229174.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 16506423530 in words is "sixteen billion, five hundred six million, four hundred twenty-three thousand, five hundred thirty".