106466509 has 4 divisors (see below), whose sum is σ = 106752316. Its totient is φ = 106180704.

The previous prime is 106466497. The next prime is 106466561. The reversal of 106466509 is 905664601.

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 20385225 + 86081284 = 4515^2 + 9278^2 .

It is a cyclic number.

It is not a de Polignac number, because 106466509 - 2¹¹ = 106464461 is a prime.

It is a super-3 number, since 3×106466509³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106466809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142344 + ... + 143089.

It is an arithmetic number, because the mean of its divisors is an integer number (26688079).

Almost surely, 2^106466509 is an apocalyptic number.

It is an amenable number.

106466509 is a deficient number, since it is larger than the sum of its proper divisors (285807).

106466509 is an equidigital number, since it uses as much as digits as its factorization.

106466509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285806.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 106466509 is about 10318.2609484351. The cubic root of 106466509 is about 473.9556134144.

The spelling of 106466509 in words is "one hundred six million, four hundred sixty-six thousand, five hundred nine".