3103616661 has 8 divisors (see below), whose sum is σ = 4148795040. Its totient is φ = 2063758032.

The previous prime is 3103616657. The next prime is 3103616687. The reversal of 3103616661 is 1666163013.

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

It is not a de Polignac number, because 3103616661 - 2² = 3103616657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103611661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328575 + ... + 1330908.

It is an arithmetic number, because the mean of its divisors is an integer number (518599380).

Almost surely, 2^3103616661 is an apocalyptic number.

It is an amenable number.

3103616661 is a deficient number, since it is larger than the sum of its proper divisors (1045178379).

3103616661 is a wasteful number, since it uses less digits than its factorization.

3103616661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659875.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3103616661 is about 55710.1127354810. The cubic root of 3103616661 is about 1458.6665533528. Note that the first 3 decimals are identical.

Adding to 3103616661 its reverse (1666163013), we get a palindrome (4769779674).

The spelling of 3103616661 in words is "three billion, one hundred three million, six hundred sixteen thousand, six hundred sixty-one".