106658791 has 8 divisors (see below), whose sum is σ = 110004224. Its totient is φ = 103352760.

The previous prime is 106658749. The next prime is 106658801. The reversal of 106658791 is 197856601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106658791 - 2¹⁷ = 106527719 is a prime.

It is a super-2 number, since 2×106658791² = 22752195395163362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106658701) 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 in 7 ways as a sum of consecutive naturals, for example, 4305 + ... + 15226.

It is an arithmetic number, because the mean of its divisors is an integer number (13750528).

Almost surely, 2^106658791 is an apocalyptic number.

106658791 is a deficient number, since it is larger than the sum of its proper divisors (3345433).

106658791 is a wasteful number, since it uses less digits than its factorization.

106658791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19701.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 106658791 is about 10327.5743037753. The cubic root of 106658791 is about 474.2407682672.

The spelling of 106658791 in words is "one hundred six million, six hundred fifty-eight thousand, seven hundred ninety-one".