16506423392 has 48 divisors (see below), whose sum is σ = 33300590400. Its totient is φ = 8051272320.

The previous prime is 16506423391. The next prime is 16506423421. The reversal of 16506423392 is 29332460561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506423391) 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, 213959 + ... + 280697.

It is an arithmetic number, because the mean of its divisors is an integer number (693762300).

Almost surely, 2^16506423392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16506423392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16650295200).

16506423392 is an abundant number, since it is smaller than the sum of its proper divisors (16794167008).

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

16506423392 is a wasteful number, since it uses less digits than its factorization.

16506423392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66939 (or 66931 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 16506423392 in words is "sixteen billion, five hundred six million, four hundred twenty-three thousand, three hundred ninety-two".