15582727761066 has 24 divisors (see below), whose sum is σ = 33762695831904. Its totient is φ = 5194224276840.

The previous prime is 15582727761059. The next prime is 15582727761079. The reversal of 15582727761066 is 66016772728551.

It is a happy number.

15582727761066 is a `hidden beast` number, since 1 + 5 + 5 + 8 + 2 + 7 + 2 + 7 + 7 + 610 + 6 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15582727760994 and 15582727761012.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4329531 + ... + 7064721.

It is an arithmetic number, because the mean of its divisors is an integer number (1406778992996).

Almost surely, 2^{15582727761066} is an apocalyptic number.

15582727761066 is an abundant number, since it is smaller than the sum of its proper divisors (18179968070838).

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

15582727761066 is a wasteful number, since it uses less digits than its factorization.

15582727761066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051706 (or 3051703 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 63.

The spelling of 15582727761066 in words is "fifteen trillion, five hundred eighty-two billion, seven hundred twenty-seven million, seven hundred sixty-one thousand, sixty-six".