106505556 has 12 divisors (see below), whose sum is σ = 248512992. Its totient is φ = 35501848.

The previous prime is 106505549. The next prime is 106505557. The reversal of 106505556 is 655505601.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×106505556² = 22686866917738272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106505557) 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, 4437720 + ... + 4437743.

It is an arithmetic number, because the mean of its divisors is an integer number (20709416).

Almost surely, 2^106505556 is an apocalyptic number.

It is an amenable number.

106505556 is an abundant number, since it is smaller than the sum of its proper divisors (142007436).

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

106505556 is a wasteful number, since it uses less digits than its factorization.

106505556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8875470 (or 8875468 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 106505556 is about 10320.1529058440. The cubic root of 106505556 is about 474.0135480113.

The spelling of 106505556 in words is "one hundred six million, five hundred five thousand, five hundred fifty-six".