16456413320 has 64 divisors (see below), whose sum is σ = 37521066240. Its totient is φ = 6494924800.

The previous prime is 16456413301. The next prime is 16456413329. The reversal of 16456413320 is 2331465461.

It is not an unprimeable number, because it can be changed into a prime (16456413329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3021800 + ... + 3027240.

It is an arithmetic number, because the mean of its divisors is an integer number (586266660).

Almost surely, 2^16456413320 is an apocalyptic number.

16456413320 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 16456413320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18760533120).

16456413320 is an abundant number, since it is smaller than the sum of its proper divisors (21064652920).

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

16456413320 is a wasteful number, since it uses less digits than its factorization.

16456413320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 16456413320 its reverse (2331465461), we get a palindrome (18787878781).

The spelling of 16456413320 in words is "sixteen billion, four hundred fifty-six million, four hundred thirteen thousand, three hundred twenty".