16936812549738 has 128 divisors (see below), whose sum is σ = 38629138141440. Its totient is φ = 5497375703040.

The previous prime is 16936812549593. The next prime is 16936812549739. The reversal of 16936812549738 is 83794521863961.

16936812549738 is a `hidden beast` number, since 1 + 6 + 9 + 3 + 6 + 8 + 1 + 2 + 549 + 73 + 8 = 666.

It is a super-2 number, since 2×16936812549738² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16936812549739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3392108970 + ... + 3392113962.

It is an arithmetic number, because the mean of its divisors is an integer number (301790141730).

Almost surely, 2^{16936812549738} is an apocalyptic number.

16936812549738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16936812549738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19314569070720).

16936812549738 is an abundant number, since it is smaller than the sum of its proper divisors (21692325591702).

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

16936812549738 is a wasteful number, since it uses less digits than its factorization.

16936812549738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669 (or 7663 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 16936812549738 in words is "sixteen trillion, nine hundred thirty-six billion, eight hundred twelve million, five hundred forty-nine thousand, seven hundred thirty-eight".