15061666056 has 16 divisors (see below), whose sum is σ = 37654165200. Its totient is φ = 5020555344.

The previous prime is 15061666051. The next prime is 15061666057. The reversal of 15061666056 is 65066616051.

It is a junction number, because it is equal to n+sod(n) for n = 15061665999 and 15061666017.

It is not an unprimeable number, because it can be changed into a prime (15061666051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313784686 + ... + 313784733.

It is an arithmetic number, because the mean of its divisors is an integer number (2353385325).

Almost surely, 2^15061666056 is an apocalyptic number.

It is an amenable number.

15061666056 is an abundant number, since it is smaller than the sum of its proper divisors (22592499144).

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

15061666056 is a wasteful number, since it uses less digits than its factorization.

15061666056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627569428 (or 627569424 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 15061666056 in words is "fifteen billion, sixty-one million, six hundred sixty-six thousand, fifty-six".