106666666615 has 64 divisors (see below), whose sum is σ = 142353469440. Its totient is φ = 76429301760.

The previous prime is 106666666609. The next prime is 106666666627. The reversal of 106666666615 is 516666666601.

It is not a de Polignac number, because 106666666615 - 2²⁷ = 106532448887 is a prime.

It is a super-4 number, since 4×106666666615⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18852867 + ... + 18858523.

It is an arithmetic number, because the mean of its divisors is an integer number (2224272960).

Almost surely, 2^106666666615 is an apocalyptic number.

106666666615 is a deficient number, since it is larger than the sum of its proper divisors (35686802825).

106666666615 is a wasteful number, since it uses less digits than its factorization.

106666666615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 106666666615 in words is "one hundred six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred fifteen".