106636891 has 2 divisors, whose sum is σ = 106636892. Its totient is φ = 106636890.

The previous prime is 106636889. The next prime is 106636919. The reversal of 106636891 is 198636601.

It is a weak prime.

It is an emirp because it is prime and its reverse (198636601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106636891 - 2¹ = 106636889 is a prime.

It is a super-2 number, since 2×106636891² = 22742853044291762, which contains 22 as substring.

Together with 106636889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106636811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53318445 + 53318446.

It is an arithmetic number, because the mean of its divisors is an integer number (53318446).

Almost surely, 2^106636891 is an apocalyptic number.

106636891 is a deficient number, since it is larger than the sum of its proper divisors (1).

106636891 is an equidigital number, since it uses as much as digits as its factorization.

106636891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 106636891 is about 10326.5139810102. The cubic root of 106636891 is about 474.2083077963.

The spelling of 106636891 in words is "one hundred six million, six hundred thirty-six thousand, eight hundred ninety-one".