16680151836 has 72 divisors (see below), whose sum is σ = 42847878528. Its totient is φ = 5470164000.

The previous prime is 16680151823. The next prime is 16680151837. The reversal of 16680151836 is 63815108661.

It is a junction number, because it is equal to n+sod(n) for n = 16680151791 and 16680151800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680151837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1248351 + ... + 1261641.

It is an arithmetic number, because the mean of its divisors is an integer number (595109424).

Almost surely, 2^16680151836 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 16680151836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21423939264).

16680151836 is an abundant number, since it is smaller than the sum of its proper divisors (26167726692).

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

16680151836 is a wasteful number, since it uses less digits than its factorization.

16680151836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863 (or 13858 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 16680151836 in words is "sixteen billion, six hundred eighty million, one hundred fifty-one thousand, eight hundred thirty-six".