106668713591 has 4 divisors (see below), whose sum is σ = 116365869384. Its totient is φ = 96971557800.

The previous prime is 106668713539. The next prime is 106668713609. The reversal of 106668713591 is 195317866601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106668713591 - 2⁶ = 106668713527 is a prime.

It is a super-2 number, since 2×106668713591² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106668713531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4848577880 + ... + 4848577901.

It is an arithmetic number, because the mean of its divisors is an integer number (29091467346).

Almost surely, 2^106668713591 is an apocalyptic number.

106668713591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106668713591 is a deficient number, since it is larger than the sum of its proper divisors (9697155793).

106668713591 is an equidigital number, since it uses as much as digits as its factorization.

106668713591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697155792.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 106668713591 in words is "one hundred six billion, six hundred sixty-eight million, seven hundred thirteen thousand, five hundred ninety-one".