16425542537480 has 32 divisors (see below), whose sum is σ = 37205507439000. Its totient is φ = 6526121596416.

The previous prime is 16425542537473. The next prime is 16425542537489. The reversal of 16425542537480 is 8473524552461.

It can be written as a sum of positive squares in 4 ways, for example, as 8668749387076 + 7756793150404 = 2944274^2 + 2785102^2 .

It is not an unprimeable number, because it can be changed into a prime (16425542537489) 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, 1377975797 + ... + 1377987716.

Almost surely, 2^{16425542537480} is an apocalyptic number.

16425542537480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16425542537480 is an abundant number, since it is smaller than the sum of its proper divisors (20779964901520).

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

16425542537480 is a wasteful number, since it uses less digits than its factorization.

16425542537480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755963673 (or 2755963669 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 56.

The spelling of 16425542537480 in words is "sixteen trillion, four hundred twenty-five billion, five hundred forty-two million, five hundred thirty-seven thousand, four hundred eighty".