106664165 has 8 divisors (see below), whose sum is σ = 131119128. Its totient is φ = 83249920.

The previous prime is 106664161. The next prime is 106664219. The reversal of 106664165 is 561466601.

It can be written as a sum of positive squares in 4 ways, for example, as 1170724 + 105493441 = 1082^2 + 10271^2 .

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

It is not a de Polignac number, because 106664165 - 2² = 106664161 is a prime.

It is a super-2 number, since 2×106664165² = 22754488190294450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106664161) 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, 259952 + ... + 260361.

It is an arithmetic number, because the mean of its divisors is an integer number (16389891).

Almost surely, 2^106664165 is an apocalyptic number.

It is an amenable number.

106664165 is a deficient number, since it is larger than the sum of its proper divisors (24454963).

106664165 is an equidigital number, since it uses as much as digits as its factorization.

106664165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520359.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 106664165 is about 10327.8344777596. The cubic root of 106664165 is about 474.2487330024.

The spelling of 106664165 in words is "one hundred six million, six hundred sixty-four thousand, one hundred sixty-five".