106640146 has 8 divisors (see below), whose sum is σ = 160012080. Its totient is φ = 53302788.

The previous prime is 106640119. The next prime is 106640147. The reversal of 106640146 is 641046601.

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

It is a super-2 number, since 2×106640146² = 22744241477802632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106640147) 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, 1405 + ... + 14671.

It is an arithmetic number, because the mean of its divisors is an integer number (20001510).

Almost surely, 2^106640146 is an apocalyptic number.

106640146 is a deficient number, since it is larger than the sum of its proper divisors (53371934).

106640146 is a wasteful number, since it uses less digits than its factorization.

106640146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17288.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 106640146 is about 10326.6715838163. The cubic root of 106640146 is about 474.2131326817.

Adding to 106640146 its reverse (641046601), we get a palindrome (747686747).

The spelling of 106640146 in words is "one hundred six million, six hundred forty thousand, one hundred forty-six".