16410634638 has 16 divisors (see below), whose sum is σ = 33584555136. Its totient is φ = 5342997240.

The previous prime is 16410634601. The next prime is 16410634657. The reversal of 16410634638 is 83643601461.

16410634638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16410634638.

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 7 ways as a sum of consecutive naturals, for example, 31803298 + ... + 31803813.

It is an arithmetic number, because the mean of its divisors is an integer number (2099034696).

Almost surely, 2^16410634638 is an apocalyptic number.

16410634638 is an abundant number, since it is smaller than the sum of its proper divisors (17173920498).

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

16410634638 is a wasteful number, since it uses less digits than its factorization.

16410634638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63607159.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 16410634638 in words is "sixteen billion, four hundred ten million, six hundred thirty-four thousand, six hundred thirty-eight".