3016032661 has 4 divisors (see below), whose sum is σ = 3021260332. Its totient is φ = 3010804992.

The previous prime is 3016032653. The next prime is 3016032709. The reversal of 3016032661 is 1662306103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2862892036 + 153140625 = 53506^2 + 12375^2 .

It is a cyclic number.

It is not a de Polignac number, because 3016032661 - 2³ = 3016032653 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 (3016032641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2612970 + ... + 2614123.

It is an arithmetic number, because the mean of its divisors is an integer number (755315083).

Almost surely, 2^3016032661 is an apocalyptic number.

It is an amenable number.

3016032661 is a deficient number, since it is larger than the sum of its proper divisors (5227671).

3016032661 is an equidigital number, since it uses as much as digits as its factorization.

3016032661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227670.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 3016032661 is about 54918.4182310452. The cubic root of 3016032661 is about 1444.8142401583.

Adding to 3016032661 its reverse (1662306103), we get a palindrome (4678338764).

The spelling of 3016032661 in words is "three billion, sixteen million, thirty-two thousand, six hundred sixty-one".