106345881 has 12 divisors (see below), whose sum is σ = 157762852. Its totient is φ = 68980896.

The previous prime is 106345873. The next prime is 106345933. The reversal of 106345881 is 188543601.

106345881 is a `hidden beast` number, since 10 + 63 + 4 + 588 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89870400 + 16475481 = 9480^2 + 4059^2 .

It is not a de Polignac number, because 106345881 - 2³ = 106345873 is a prime.

It is a super-2 number, since 2×106345881² = 22618892811332322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106345381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159346 + ... + 160011.

Almost surely, 2^106345881 is an apocalyptic number.

It is an amenable number.

106345881 is a deficient number, since it is larger than the sum of its proper divisors (51416971).

106345881 is a wasteful number, since it uses less digits than its factorization.

106345881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319400 (or 319397 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 106345881 is about 10312.4139269135. The cubic root of 106345881 is about 473.7765463876.

The spelling of 106345881 in words is "one hundred six million, three hundred forty-five thousand, eight hundred eighty-one".