16655020032 has 312 divisors, whose sum is σ = 52291344000. Its totient is φ = 4700602368.

The previous prime is 16655019977. The next prime is 16655020087. The reversal of 16655020032 is 23002055661.

It is an interprime number because it is at equal distance from previous prime (16655019977) and next prime (16655020087).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83693469 + ... + 83693667.

Almost surely, 2^16655020032 is an apocalyptic number.

16655020032 is a gapful number since it is divisible by the number (12) 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 16655020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26145672000).

16655020032 is an abundant number, since it is smaller than the sum of its proper divisors (35636323968).

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

16655020032 is a wasteful number, since it uses less digits than its factorization.

16655020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 16655020032 its reverse (23002055661), we get a palindrome (39657075693).

The spelling of 16655020032 in words is "sixteen billion, six hundred fifty-five million, twenty thousand, thirty-two".