15606166055 has 8 divisors (see below), whose sum is σ = 18821508000. Its totient is φ = 12422193696.

The previous prime is 15606165959. The next prime is 15606166067. The reversal of 15606166055 is 55066160651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15606166055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7841300 + ... + 7843289.

It is an arithmetic number, because the mean of its divisors is an integer number (2352688500).

Almost surely, 2^15606166055 is an apocalyptic number.

15606166055 is a deficient number, since it is larger than the sum of its proper divisors (3215341945).

15606166055 is a wasteful number, since it uses less digits than its factorization.

15606166055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15684793.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 15606166055 in words is "fifteen billion, six hundred six million, one hundred sixty-six thousand, fifty-five".