103666115 has 12 divisors (see below), whose sum is σ = 144709776. Its totient is φ = 71085168.

The previous prime is 103666111. The next prime is 103666117. The reversal of 103666115 is 511666301.

It is not a de Polignac number, because 103666115 - 2² = 103666111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103666111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211319 + ... + 211808.

It is an arithmetic number, because the mean of its divisors is an integer number (12059148).

Almost surely, 2^103666115 is an apocalyptic number.

103666115 is a deficient number, since it is larger than the sum of its proper divisors (41043661).

103666115 is an equidigital number, since it uses as much as digits as its factorization.

103666115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423146 (or 423139 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 103666115 is about 10181.6558083644. The cubic root of 103666115 is about 469.7631445776.

The spelling of 103666115 in words is "one hundred three million, six hundred sixty-six thousand, one hundred fifteen".