106916981 has 2 divisors, whose sum is σ = 106916982. Its totient is φ = 106916980.

The previous prime is 106916969. The next prime is 106917001. The reversal of 106916981 is 189619601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97337956 + 9579025 = 9866^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 106916981 - 2²² = 102722677 is a prime.

It is a super-2 number, since 2×106916981² = 22862481652308722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106916951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53458490 + 53458491.

It is an arithmetic number, because the mean of its divisors is an integer number (53458491).

Almost surely, 2^106916981 is an apocalyptic number.

It is an amenable number.

106916981 is a deficient number, since it is larger than the sum of its proper divisors (1).

106916981 is an equidigital number, since it uses as much as digits as its factorization.

106916981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 106916981 is about 10340.0667792815. The cubic root of 106916981 is about 474.6231263608.

The spelling of 106916981 in words is "one hundred six million, nine hundred sixteen thousand, nine hundred eighty-one".