16425564984 has 48 divisors (see below), whose sum is σ = 44554788720. Its totient is φ = 5466710400.

The previous prime is 16425564979. The next prime is 16425564989. The reversal of 16425564984 is 48946552461.

It is a happy number.

16425564984 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 556 + 4 + 9 + 84 = 666.

16425564984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16425564979) and next prime (16425564989).

It is a self number, because there is not a number n which added to its sum of digits gives 16425564984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16425564989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129717 + ... + 222884.

It is an arithmetic number, because the mean of its divisors is an integer number (928224765).

Almost surely, 2^16425564984 is an apocalyptic number.

It is an amenable number.

16425564984 is an abundant number, since it is smaller than the sum of its proper divisors (28129223736).

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

16425564984 is a wasteful number, since it uses less digits than its factorization.

16425564984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353260 (or 353253 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 16425564984 in words is "sixteen billion, four hundred twenty-five million, five hundred sixty-four thousand, nine hundred eighty-four".