15500660106 has 8 divisors (see below), whose sum is σ = 31001320224. Its totient is φ = 5166886700.

The previous prime is 15500660099. The next prime is 15500660111. The reversal of 15500660106 is 60106600551.

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

15500660106 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1291721670 + ... + 1291721681.

It is an arithmetic number, because the mean of its divisors is an integer number (3875165028).

Almost surely, 2^15500660106 is an apocalyptic number.

15500660106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15500660106 is a wasteful number, since it uses less digits than its factorization.

15500660106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583443356.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 15500660106 in words is "fifteen billion, five hundred million, six hundred sixty thousand, one hundred six".