106555693 has 4 divisors (see below), whose sum is σ = 106872220. Its totient is φ = 106239168.

The previous prime is 106555681. The next prime is 106555697. The reversal of 106555693 is 396555601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60016009 + 46539684 = 7747^2 + 6822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106555693 is a prime.

It is a super-2 number, since 2×106555693² = 22708231421420498, which 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 (106555697) 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, 157758 + ... + 158431.

It is an arithmetic number, because the mean of its divisors is an integer number (26718055).

Almost surely, 2^106555693 is an apocalyptic number.

It is an amenable number.

106555693 is a deficient number, since it is larger than the sum of its proper divisors (316527).

106555693 is an equidigital number, since it uses as much as digits as its factorization.

106555693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316526.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 106555693 is about 10322.5817022681. The cubic root of 106555693 is about 474.0879162413.

The spelling of 106555693 in words is "one hundred six million, five hundred fifty-five thousand, six hundred ninety-three".