106656442 has 16 divisors (see below), whose sum is σ = 164414592. Its totient is φ = 51865920.

The previous prime is 106656437. The next prime is 106656463. The reversal of 106656442 is 244656601.

It is a super-2 number, since 2×106656442² = 22751193240198728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106656398 and 106656407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11842 + ... + 18802.

It is an arithmetic number, because the mean of its divisors is an integer number (10275912).

Almost surely, 2^106656442 is an apocalyptic number.

106656442 is a deficient number, since it is larger than the sum of its proper divisors (57758150).

106656442 is a wasteful number, since it uses less digits than its factorization.

106656442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 106656442 is about 10327.4605784772. The cubic root of 106656442 is about 474.2372867610.

The spelling of 106656442 in words is "one hundred six million, six hundred fifty-six thousand, four hundred forty-two".