106665015 has 16 divisors (see below), whose sum is σ = 171754848. Its totient is φ = 56524416.

The previous prime is 106664959. The next prime is 106665019. The reversal of 106665015 is 510566601.

It is not a de Polignac number, because 106665015 - 2⁸ = 106664759 is a prime.

It is a super-2 number, since 2×106665015² = 22754850849900450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106665019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20292 + ... + 25001.

It is an arithmetic number, because the mean of its divisors is an integer number (10734678).

Almost surely, 2^106665015 is an apocalyptic number.

106665015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106665015 is a deficient number, since it is larger than the sum of its proper divisors (65089833).

106665015 is a wasteful number, since it uses less digits than its factorization.

106665015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45458.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 106665015 is about 10327.8756286082. The cubic root of 106665015 is about 474.2499927518.

The spelling of 106665015 in words is "one hundred six million, six hundred sixty-five thousand, fifteen".