106660066015 has 32 divisors (see below), whose sum is σ = 135830016000. Its totient is φ = 80178698880.

The previous prime is 106660066013. The next prime is 106660066039. The reversal of 106660066015 is 510660066601.

It is not a de Polignac number, because 106660066015 - 2¹ = 106660066013 is a prime.

It is a super-2 number, since 2×106660066015² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106660066013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6324184 + ... + 6341026.

It is an arithmetic number, because the mean of its divisors is an integer number (4244688000).

Almost surely, 2^106660066015 is an apocalyptic number.

106660066015 is a deficient number, since it is larger than the sum of its proper divisors (29169949985).

106660066015 is a wasteful number, since it uses less digits than its factorization.

106660066015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17407.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 106660066015 in words is "one hundred six billion, six hundred sixty million, sixty-six thousand, fifteen".