16461418688 has 112 divisors (see below), whose sum is σ = 40045453056. Its totient is φ = 6606504960.

The previous prime is 16461418663. The next prime is 16461418691. The reversal of 16461418688 is 88681416461.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171395 + ... + 249597.

It is an arithmetic number, because the mean of its divisors is an integer number (357548688).

Almost surely, 2^16461418688 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 16461418688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20022726528).

16461418688 is an abundant number, since it is smaller than the sum of its proper divisors (23584034368).

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

16461418688 is a wasteful number, since it uses less digits than its factorization.

16461418688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78262 (or 78252 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 53.

The spelling of 16461418688 in words is "sixteen billion, four hundred sixty-one million, four hundred eighteen thousand, six hundred eighty-eight".