16996641480 has 640 divisors, whose sum is σ = 74468782080. Its totient is φ = 3374161920.

The previous prime is 16996641439. The next prime is 16996641481. The reversal of 16996641480 is 8414669961.

It is a happy number.

16996641480 is a `hidden beast` number, since 1 + 6 + 99 + 66 + 414 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16996641481) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5010585 + ... + 5013975.

It is an arithmetic number, because the mean of its divisors is an integer number (116357472).

Almost surely, 2^16996641480 is an apocalyptic number.

16996641480 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 16996641480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37234391040).

16996641480 is an abundant number, since it is smaller than the sum of its proper divisors (57472140600).

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

16996641480 is a wasteful number, since it uses less digits than its factorization.

16996641480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 16996641480 in words is "sixteen billion, nine hundred ninety-six million, six hundred forty-one thousand, four hundred eighty".