16652814640 has 160 divisors (see below), whose sum is σ = 49257561600. Its totient is φ = 5190393600.

The previous prime is 16652814611. The next prime is 16652814649. The reversal of 16652814640 is 4641825661.

It is not an unprimeable number, because it can be changed into a prime (16652814649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274255 + ... + 329425.

It is an arithmetic number, because the mean of its divisors is an integer number (307859760).

Almost surely, 2^16652814640 is an apocalyptic number.

16652814640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16652814640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24628780800).

16652814640 is an abundant number, since it is smaller than the sum of its proper divisors (32604746960).

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

16652814640 is a wasteful number, since it uses less digits than its factorization.

16652814640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55216 (or 55196 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 16652814640 in words is "sixteen billion, six hundred fifty-two million, eight hundred fourteen thousand, six hundred forty".