106644181 has 8 divisors (see below), whose sum is σ = 122221440. Its totient is φ = 91152528.

The previous prime is 106644143. The next prime is 106644221. The reversal of 106644181 is 181446601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106644181 is a prime.

It is a super-2 number, since 2×106644181² = 22745962682321522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106644121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18706 + ... + 23731.

It is an arithmetic number, because the mean of its divisors is an integer number (15277680).

Almost surely, 2^106644181 is an apocalyptic number.

It is an amenable number.

106644181 is a deficient number, since it is larger than the sum of its proper divisors (15577259).

106644181 is an equidigital number, since it uses as much as digits as its factorization.

106644181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42803.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 106644181 is about 10326.8669498546. The cubic root of 106644181 is about 474.2191136246.

The spelling of 106644181 in words is "one hundred six million, six hundred forty-four thousand, one hundred eighty-one".