100606665 has 8 divisors (see below), whose sum is σ = 160970688. Its totient is φ = 53656880.

The previous prime is 100606637. The next prime is 100606703. The reversal of 100606665 is 566606001.

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

It is not a de Polignac number, because 100606665 - 2⁵ = 100606633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353541 + ... + 3353570.

It is an arithmetic number, because the mean of its divisors is an integer number (20121336).

Almost surely, 2^100606665 is an apocalyptic number.

100606665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100606665 is a deficient number, since it is larger than the sum of its proper divisors (60364023).

100606665 is an equidigital number, since it uses as much as digits as its factorization.

100606665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707119.

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

The square root of 100606665 is about 10030.2873837194. The cubic root of 100606665 is about 465.0956214499.

The spelling of 100606665 in words is "one hundred million, six hundred six thousand, six hundred sixty-five".