16546465650 has 288 divisors, whose sum is σ = 50703004800. Its totient is φ = 3540556800.

The previous prime is 16546465643. The next prime is 16546465681. The reversal of 16546465650 is 5656464561.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16546465650.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5425326 + ... + 5428374.

It is an arithmetic number, because the mean of its divisors is an integer number (176052100).

Almost surely, 2^16546465650 is an apocalyptic number.

16546465650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16546465650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25351502400).

16546465650 is an abundant number, since it is smaller than the sum of its proper divisors (34156539150).

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

16546465650 is a wasteful number, since it uses less digits than its factorization.

16546465650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 16546465650 in words is "sixteen billion, five hundred forty-six million, four hundred sixty-five thousand, six hundred fifty".