106667905 has 16 divisors (see below), whose sum is σ = 134547840. Its totient is φ = 81024768.

The previous prime is 106667903. The next prime is 106667917. The reversal of 106667905 is 509766601.

It is not a de Polignac number, because 106667905 - 2¹ = 106667903 is a prime.

It is a super-2 number, since 2×106667905² = 22756083914178050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106667903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12649 + ... + 19321.

It is an arithmetic number, because the mean of its divisors is an integer number (8409240).

Almost surely, 2^106667905 is an apocalyptic number.

It is an amenable number.

106667905 is a deficient number, since it is larger than the sum of its proper divisors (27879935).

106667905 is a wasteful number, since it uses less digits than its factorization.

106667905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 106667905 is about 10328.0155402672. The cubic root of 106667905 is about 474.2542758497.

The spelling of 106667905 in words is "one hundred six million, six hundred sixty-seven thousand, nine hundred five".