16650490560 has 448 divisors, whose sum is σ = 59223273984. Its totient is φ = 3962449920.

The previous prime is 16650490559. The next prime is 16650490561. The reversal of 16650490560 is 6509405661.

It is an interprime number because it is at equal distance from previous prime (16650490559) and next prime (16650490561).

It is a super-2 number, since 2×16650490560² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16650490561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106054002 + ... + 106054158.

It is an arithmetic number, because the mean of its divisors is an integer number (132194808).

Almost surely, 2^16650490560 is an apocalyptic number.

16650490560 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 16650490560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29611636992).

16650490560 is an abundant number, since it is smaller than the sum of its proper divisors (42572783424).

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

16650490560 is a wasteful number, since it uses less digits than its factorization.

16650490560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 16650490560 in words is "sixteen billion, six hundred fifty million, four hundred ninety thousand, five hundred sixty".