106716707647989 has 4 divisors (see below), whose sum is σ = 142288943530656. Its totient is φ = 71144471765324.

The previous prime is 106716707647981. The next prime is 106716707648021. The reversal of 106716707647989 is 989746707617601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106716707647989 - 2³ = 106716707647981 is a prime.

It is a super-2 number, since 2×106716707647989² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106716707647981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17786117941329 + ... + 17786117941334.

It is an arithmetic number, because the mean of its divisors is an integer number (35572235882664).

Almost surely, 2^{106716707647989} is an apocalyptic number.

It is an amenable number.

106716707647989 is a deficient number, since it is larger than the sum of its proper divisors (35572235882667).

106716707647989 is an equidigital number, since it uses as much as digits as its factorization.

106716707647989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35572235882666.

The product of its (nonzero) digits is 1344252672, while the sum is 78.

The spelling of 106716707647989 in words is "one hundred six trillion, seven hundred sixteen billion, seven hundred seven million, six hundred forty-seven thousand, nine hundred eighty-nine".