106551081 has 24 divisors (see below), whose sum is σ = 189425600. Its totient is φ = 56202336.

The previous prime is 106551073. The next prime is 106551091. The reversal of 106551081 is 180155601.

106551081 is a `hidden beast` number, since 1 + 0 + 655 + 1 + 0 + 8 + 1 = 666.

It is not a de Polignac number, because 106551081 - 2³ = 106551073 is a prime.

It is a super-2 number, since 2×106551081² = 22706265724537122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106551091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64231 + ... + 65868.

Almost surely, 2^106551081 is an apocalyptic number.

It is an amenable number.

106551081 is a deficient number, since it is larger than the sum of its proper divisors (82874519).

106551081 is a wasteful number, since it uses less digits than its factorization.

106551081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130125 (or 130122 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 106551081 is about 10322.3583061237. The cubic root of 106551081 is about 474.0810762345.

The spelling of 106551081 in words is "one hundred six million, five hundred fifty-one thousand, eighty-one".