106666071 has 8 divisors (see below), whose sum is σ = 146809344. Its totient is φ = 68816760.

The previous prime is 106666033. The next prime is 106666099. The reversal of 106666071 is 170666601.

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

It is not a de Polignac number, because 106666071 - 2¹⁷ = 106534999 is a prime.

It is a super-2 number, since 2×106666071² = 22755301405154082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106666771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573381 + ... + 573566.

It is an arithmetic number, because the mean of its divisors is an integer number (18351168).

Almost surely, 2^106666071 is an apocalyptic number.

106666071 is a deficient number, since it is larger than the sum of its proper divisors (40143273).

106666071 is a wasteful number, since it uses less digits than its factorization.

106666071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146981.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 106666071 is about 10327.9267522577. The cubic root of 106666071 is about 474.2515577959.

The spelling of 106666071 in words is "one hundred six million, six hundred sixty-six thousand, seventy-one".