106644635 has 4 divisors (see below), whose sum is σ = 127973568. Its totient is φ = 85315704.

The previous prime is 106644631. The next prime is 106644641. The reversal of 106644635 is 536446601.

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

It is a cyclic number.

It is not a de Polignac number, because 106644635 - 2² = 106644631 is a prime.

It is a super-3 number, since 3×106644635³ (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 junction number, because it is equal to n+sod(n) for n = 106644595 and 106644604.

It is not an unprimeable number, because it can be changed into a prime (106644631) 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, 10664459 + ... + 10664468.

It is an arithmetic number, because the mean of its divisors is an integer number (31993392).

Almost surely, 2^106644635 is an apocalyptic number.

106644635 is a deficient number, since it is larger than the sum of its proper divisors (21328933).

106644635 is an equidigital number, since it uses as much as digits as its factorization.

106644635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21328932.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 106644635 is about 10326.8889313287. Note that the first 3 decimals coincide. The cubic root of 106644635 is about 474.2197865639.

The spelling of 106644635 in words is "one hundred six million, six hundred forty-four thousand, six hundred thirty-five".