106642 has 8 divisors (see below), whose sum is σ = 162432. Its totient is φ = 52500.

The previous prime is 106637. The next prime is 106649. The reversal of 106642 is 246601.

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

It is a super-2 number, since 2×106642² = 22745032328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106649) by changing a digit.

106642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 517.

It is an arithmetic number, because the mean of its divisors is an integer number (20304).

2¹⁰⁶⁶⁴² is an apocalyptic number.

106642 is a deficient number, since it is larger than the sum of its proper divisors (55790).

106642 is an equidigital number, since it uses as much as digits as its factorization.

106642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 106642 is about 326.5608672208. The cubic root of 106642 is about 47.4215880821.

The spelling of 106642 in words is "one hundred six thousand, six hundred forty-two".