16508416038 has 32 divisors (see below), whose sum is σ = 34967817600. Its totient is φ = 5181195456.

The previous prime is 16508416007. The next prime is 16508416039. The reversal of 16508416038 is 83061480561.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16508416039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425623 + ... + 462786.

It is an arithmetic number, because the mean of its divisors is an integer number (1092744300).

Almost surely, 2^16508416038 is an apocalyptic number.

16508416038 is an abundant number, since it is smaller than the sum of its proper divisors (18459401562).

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

16508416038 is a wasteful number, since it uses less digits than its factorization.

16508416038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888596.

The product of its (nonzero) digits is 138240, while the sum is 42.

Adding to 16508416038 its reverse (83061480561), we get a palindrome (99569896599).

The spelling of 16508416038 in words is "sixteen billion, five hundred eight million, four hundred sixteen thousand, thirty-eight".