106626491 has 2 divisors, whose sum is σ = 106626492. Its totient is φ = 106626490.

The previous prime is 106626479. The next prime is 106626521. The reversal of 106626491 is 194626601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106626491 - 2⁶ = 106626427 is a prime.

It is a super-2 number, since 2×106626491² = 22738417165946162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106626991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53313245 + 53313246.

It is an arithmetic number, because the mean of its divisors is an integer number (53313246).

Almost surely, 2^106626491 is an apocalyptic number.

106626491 is a deficient number, since it is larger than the sum of its proper divisors (1).

106626491 is an equidigital number, since it uses as much as digits as its factorization.

106626491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 106626491 is about 10326.0104106087. The cubic root of 106626491 is about 474.1928912218.

The spelling of 106626491 in words is "one hundred six million, six hundred twenty-six thousand, four hundred ninety-one".