3006225261661 has 4 divisors (see below), whose sum is σ = 3008285732800. Its totient is φ = 3004164790524.

The previous prime is 3006225261643. The next prime is 3006225261691. The reversal of 3006225261661 is 1661625226003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3006225261661 - 2¹¹ = 3006225259613 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 (3006225261691) 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, 1030233381 + ... + 1030236298.

It is an arithmetic number, because the mean of its divisors is an integer number (752071433200).

Almost surely, 2^{3006225261661} is an apocalyptic number.

It is an amenable number.

3006225261661 is a deficient number, since it is larger than the sum of its proper divisors (2060471139).

3006225261661 is a wasteful number, since it uses less digits than its factorization.

3006225261661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060471138.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 3006225261661 in words is "three trillion, six billion, two hundred twenty-five million, two hundred sixty-one thousand, six hundred sixty-one".