106644985 has 8 divisors (see below), whose sum is σ = 128714760. Its totient is φ = 84822144.

The previous prime is 106644973. The next prime is 106645003. The reversal of 106644985 is 589446601.

It can be written as a sum of positive squares in 4 ways, for example, as 13638249 + 93006736 = 3693^2 + 9644^2 .

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 106644985 - 2¹³ = 106636793 is a prime.

It is a super-2 number, since 2×106644985² = 22746305651300450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60780 + ... + 62509.

It is an arithmetic number, because the mean of its divisors is an integer number (16089345).

Almost surely, 2^106644985 is an apocalyptic number.

It is an amenable number.

106644985 is a deficient number, since it is larger than the sum of its proper divisors (22069775).

106644985 is a wasteful number, since it uses less digits than its factorization.

106644985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123467.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 106644985 is about 10326.9058773671. The cubic root of 106644985 is about 474.2203053483.

The spelling of 106644985 in words is "one hundred six million, six hundred forty-four thousand, nine hundred eighty-five".