103660506 has 32 divisors (see below), whose sum is σ = 231842880. Its totient is φ = 34330608.

The previous prime is 103660499. The next prime is 103660519. The reversal of 103660506 is 605066301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103660506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2365 + ... + 14591.

It is an arithmetic number, because the mean of its divisors is an integer number (7245090).

Almost surely, 2^103660506 is an apocalyptic number.

103660506 is an abundant number, since it is smaller than the sum of its proper divisors (128182374).

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

103660506 is a wasteful number, since it uses less digits than its factorization.

103660506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395 (or 12389 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 103660506 is about 10181.3803582815. The cubic root of 103660506 is about 469.7546720277.

The spelling of 103660506 in words is "one hundred three million, six hundred sixty thousand, five hundred six".