16430637504 has 112 divisors (see below), whose sum is σ = 44934640128. Its totient is φ = 5295525888.

The previous prime is 16430637499. The next prime is 16430637521. The reversal of 16430637504 is 40573603461.

16430637504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738024 + ... + 759960.

It is an arithmetic number, because the mean of its divisors is an integer number (401202144).

Almost surely, 2^16430637504 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 16430637504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22467320064).

16430637504 is an abundant number, since it is smaller than the sum of its proper divisors (28504002624).

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

16430637504 is a wasteful number, since it uses less digits than its factorization.

16430637504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22082 (or 22072 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 16430637504 in words is "sixteen billion, four hundred thirty million, six hundred thirty-seven thousand, five hundred four".