106667906 has 8 divisors (see below), whose sum is σ = 163020924. Its totient is φ = 52327600.

The previous prime is 106667903. The next prime is 106667917. The reversal of 106667906 is 609766601.

It can be written as a sum of positive squares in 2 ways, for example, as 101103025 + 5564881 = 10055^2 + 2359^2 .

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

It is a super-2 number, since 2×106667906² = 22756084340849672, 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 3 ways as a sum of consecutive naturals, for example, 503045 + ... + 503256.

Almost surely, 2^106667906 is an apocalyptic number.

106667906 is a deficient number, since it is larger than the sum of its proper divisors (56353018).

106667906 is a wasteful number, since it uses less digits than its factorization.

106667906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006356.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 106667906 is about 10328.0155886792. The cubic root of 106667906 is about 474.2542773317.

The spelling of 106667906 in words is "one hundred six million, six hundred sixty-seven thousand, nine hundred six".