106644646 has 8 divisors (see below), whose sum is σ = 160180560. Its totient is φ = 53251128.

The previous prime is 106644641. The next prime is 106644647. The reversal of 106644646 is 646446601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106644646² = 22746161040930632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106644641) 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, 33706 + ... + 36733.

It is an arithmetic number, because the mean of its divisors is an integer number (20022570).

Almost surely, 2^106644646 is an apocalyptic number.

106644646 is a deficient number, since it is larger than the sum of its proper divisors (53535914).

106644646 is an equidigital number, since it uses as much as digits as its factorization.

106644646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71198.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 106644646 is about 10326.8894639189. The cubic root of 106644646 is about 474.2198028685.

The spelling of 106644646 in words is "one hundred six million, six hundred forty-four thousand, six hundred forty-six".