16456312416 has 48 divisors (see below), whose sum is σ = 43207686144. Its totient is φ = 5484184704.

The previous prime is 16456312399. The next prime is 16456312417. The reversal of 16456312416 is 61421365461.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16456312417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 465145 + ... + 499271.

It is an arithmetic number, because the mean of its divisors is an integer number (900160128).

Almost surely, 2^16456312416 is an apocalyptic number.

16456312416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16456312416 is an abundant number, since it is smaller than the sum of its proper divisors (26751373728).

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

16456312416 is a wasteful number, since it uses less digits than its factorization.

16456312416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39163 (or 39155 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

Adding to 16456312416 its reverse (61421365461), we get a palindrome (77877677877).

The spelling of 16456312416 in words is "sixteen billion, four hundred fifty-six million, three hundred twelve thousand, four hundred sixteen".