106656906 has 8 divisors (see below), whose sum is σ = 213313824. Its totient is φ = 35552300.

The previous prime is 106656889. The next prime is 106656917. The reversal of 106656906 is 609656601.

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

106656906 is an admirable number.

It is a super-2 number, since 2×106656906² = 22751391194985672, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8888070 + ... + 8888081.

It is an arithmetic number, because the mean of its divisors is an integer number (26664228).

Almost surely, 2^106656906 is an apocalyptic number.

106656906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106656906 is a wasteful number, since it uses less digits than its factorization.

106656906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17776156.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 106656906 is about 10327.4830428328. The cubic root of 106656906 is about 474.2379744700.

It can be divided in two parts, 10665 and 6906, that added together give a palindrome (17571).

The spelling of 106656906 in words is "one hundred six million, six hundred fifty-six thousand, nine hundred six".