106006665 has 32 divisors (see below), whose sum is σ = 174994560. Its totient is φ = 54756864.

The previous prime is 106006661. The next prime is 106006669. The reversal of 106006665 is 566600601.

It is an interprime number because it is at equal distance from previous prime (106006661) and next prime (106006669).

It is not a de Polignac number, because 106006665 - 2² = 106006661 is a prime.

It is a super-2 number, since 2×106006665² = 22474826048844450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106006661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226762 + ... + 227228.

It is an arithmetic number, because the mean of its divisors is an integer number (5468580).

Almost surely, 2^106006665 is an apocalyptic number.

106006665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106006665 is a deficient number, since it is larger than the sum of its proper divisors (68987895).

106006665 is a wasteful number, since it uses less digits than its factorization.

106006665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 106006665 is about 10295.9538169127. The cubic root of 106006665 is about 473.2722680706.

The spelling of 106006665 in words is "one hundred six million, six thousand, six hundred sixty-five".