15682166425404 has 18 divisors (see below), whose sum is σ = 39641031797640. Its totient is φ = 5227388808456.

The previous prime is 15682166425403. The next prime is 15682166425417. The reversal of 15682166425404 is 40452466128651.

It is a happy number.

15682166425404 is a `hidden beast` number, since 1 + 5 + 6 + 82 + 16 + 6 + 4 + 2 + 540 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15682166425403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217807866984 + ... + 217807867055.

Almost surely, 2^{15682166425404} is an apocalyptic number.

It is an amenable number.

15682166425404 is an abundant number, since it is smaller than the sum of its proper divisors (23958865372236).

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

15682166425404 is a wasteful number, since it uses less digits than its factorization.

15682166425404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435615734049 (or 435615734044 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 15682166425404 in words is "fifteen trillion, six hundred eighty-two billion, one hundred sixty-six million, four hundred twenty-five thousand, four hundred four".