10666515122 has 8 divisors (see below), whose sum is σ = 16940935836. Its totient is φ = 5019536512.

The previous prime is 10666515059. The next prime is 10666515149. The reversal of 10666515122 is 22151566601.

It can be written as a sum of positive squares in 2 ways, for example, as 8067452761 + 2599062361 = 89819^2 + 50981^2 .

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

It is a super-2 number, since 2×10666515122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156860483 + ... + 156860550.

Almost surely, 2^10666515122 is an apocalyptic number.

10666515122 is a deficient number, since it is larger than the sum of its proper divisors (6274420714).

10666515122 is a wasteful number, since it uses less digits than its factorization.

10666515122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313721052.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 10666515122 in words is "ten billion, six hundred sixty-six million, five hundred fifteen thousand, one hundred twenty-two".