10200661 has 8 divisors (see below), whose sum is σ = 10676160. Its totient is φ = 9727872.

The previous prime is 10200637. The next prime is 10200679. The reversal of 10200661 is 16600201.

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

It is a cyclic number.

It is not a de Polignac number, because 10200661 - 2⁹ = 10200149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14821 + ... + 15493.

It is an arithmetic number, because the mean of its divisors is an integer number (1334520).

Almost surely, 2^10200661 is an apocalyptic number.

It is an amenable number.

10200661 is a deficient number, since it is larger than the sum of its proper divisors (475499).

10200661 is an equidigital number, since it uses as much as digits as its factorization.

10200661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 10200661 is about 3193.8473664219. The cubic root of 10200661 is about 216.8749731056.

Adding to 10200661 its reverse (16600201), we get a palindrome (26800862).

The spelling of 10200661 in words is "ten million, two hundred thousand, six hundred sixty-one".