103666506 has 16 divisors (see below), whose sum is σ = 207438624. Its totient is φ = 34537904.

The previous prime is 103666499. The next prime is 103666517. The reversal of 103666506 is 605666301.

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, 14821 + ... + 20663.

It is an arithmetic number, because the mean of its divisors is an integer number (12964914).

Almost surely, 2^103666506 is an apocalyptic number.

103666506 is an abundant number, since it is smaller than the sum of its proper divisors (103772118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103666506 is a wasteful number, since it uses less digits than its factorization.

103666506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8805.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 103666506 is about 10181.6750095453. The cubic root of 103666506 is about 469.7637351826.

The spelling of 103666506 in words is "one hundred three million, six hundred sixty-six thousand, five hundred six".