16426427520 has 256 divisors, whose sum is σ = 53559792000. Its totient is φ = 4281040896.

The previous prime is 16426427519. The next prime is 16426427533. The reversal of 16426427520 is 2572462461.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19166932 + ... + 19167788.

Almost surely, 2^16426427520 is an apocalyptic number.

16426427520 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 16426427520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26779896000).

16426427520 is an abundant number, since it is smaller than the sum of its proper divisors (37133364480).

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

16426427520 is a wasteful number, since it uses less digits than its factorization.

16426427520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

Adding to 16426427520 its reverse (2572462461), we get a palindrome (18998889981).

The spelling of 16426427520 in words is "sixteen billion, four hundred twenty-six million, four hundred twenty-seven thousand, five hundred twenty".