106610381 has 2 divisors, whose sum is σ = 106610382. Its totient is φ = 106610380.

The previous prime is 106610377. The next prime is 106610407. The reversal of 106610381 is 183016601.

It is an a-pointer prime, because the next prime (106610407) can be obtained adding 106610381 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100681156 + 5929225 = 10034^2 + 2435^2 .

It is an emirp because it is prime and its reverse (183016601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106610381 - 2² = 106610377 is a prime.

It is a super-2 number, since 2×106610381² = 22731546673930322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106610381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106610321) 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, 53305190 + 53305191.

It is an arithmetic number, because the mean of its divisors is an integer number (53305191).

Almost surely, 2^106610381 is an apocalyptic number.

It is an amenable number.

106610381 is a deficient number, since it is larger than the sum of its proper divisors (1).

106610381 is an equidigital number, since it uses as much as digits as its factorization.

106610381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 106610381 is about 10325.2303122013. The cubic root of 106610381 is about 474.1690083756.

Adding to 106610381 its reverse (183016601), we get a palindrome (289626982).

The spelling of 106610381 in words is "one hundred six million, six hundred ten thousand, three hundred eighty-one".