106503666 has 8 divisors (see below), whose sum is σ = 213007344. Its totient is φ = 35501220.

The previous prime is 106503643. The next prime is 106503671. The reversal of 106503666 is 666305601.

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

106503666 is an admirable number.

It is a super-2 number, since 2×106503666² = 22686061742879112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8875300 + ... + 8875311.

It is an arithmetic number, because the mean of its divisors is an integer number (26625918).

Almost surely, 2^106503666 is an apocalyptic number.

106503666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

106503666 is a wasteful number, since it uses less digits than its factorization.

106503666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17750616.

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

The square root of 106503666 is about 10320.0613370270. The cubic root of 106503666 is about 474.0107441172.

The spelling of 106503666 in words is "one hundred six million, five hundred three thousand, six hundred sixty-six".