106657843 has 4 divisors (see below), whose sum is σ = 106684480. Its totient is φ = 106631208.

The previous prime is 106657841. The next prime is 106657861. The reversal of 106657843 is 348756601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348756601 = 569 ⋅612929.

It is a cyclic number.

It is not a de Polignac number, because 106657843 - 2¹ = 106657841 is a prime.

It is a super-2 number, since 2×106657843² = 22751790946825298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106657796 and 106657805.

It is not an unprimeable number, because it can be changed into a prime (106657841) 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, 5955 + ... + 15772.

It is an arithmetic number, because the mean of its divisors is an integer number (26671120).

Almost surely, 2^106657843 is an apocalyptic number.

106657843 is a deficient number, since it is larger than the sum of its proper divisors (26637).

106657843 is an equidigital number, since it uses as much as digits as its factorization.

106657843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26636.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 106657843 is about 10327.5284071263. The cubic root of 106657843 is about 474.2393632210.

The spelling of 106657843 in words is "one hundred six million, six hundred fifty-seven thousand, eight hundred forty-three".