106666142 has 16 divisors (see below), whose sum is σ = 175198464. Its totient is φ = 48303000.

The previous prime is 106666141. The next prime is 106666151. The reversal of 106666142 is 241666601.

It is a super-2 number, since 2×106666142² = 22755331698328328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106666099 and 106666108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106666141) 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, 2984 + ... + 14907.

It is an arithmetic number, because the mean of its divisors is an integer number (10949904).

Almost surely, 2^106666142 is an apocalyptic number.

106666142 is a deficient number, since it is larger than the sum of its proper divisors (68532322).

106666142 is a wasteful number, since it uses less digits than its factorization.

106666142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18175.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 106666142 is about 10327.9301895394. The cubic root of 106666142 is about 474.2516630210.

The spelling of 106666142 in words is "one hundred six million, six hundred sixty-six thousand, one hundred forty-two".