16514412420 has 96 divisors (see below), whose sum is σ = 50526766080. Its totient is φ = 3996927360.

The previous prime is 16514412407. The next prime is 16514412437. The reversal of 16514412420 is 2421441561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388329 + ... + 428751.

It is an arithmetic number, because the mean of its divisors is an integer number (526320480).

Almost surely, 2^16514412420 is an apocalyptic number.

16514412420 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 16514412420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25263383040).

16514412420 is an abundant number, since it is smaller than the sum of its proper divisors (34012353660).

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

16514412420 is a wasteful number, since it uses less digits than its factorization.

16514412420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41065 (or 41063 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 16514412420 its reverse (2421441561), we get a palindrome (18935853981).

The spelling of 16514412420 in words is "sixteen billion, five hundred fourteen million, four hundred twelve thousand, four hundred twenty".