6030420211661 has 4 divisors (see below), whose sum is σ = 6106754644800. Its totient is φ = 5954085778524.

The previous prime is 6030420211637. The next prime is 6030420211663. The reversal of 6030420211661 is 1661120240306.

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 6030420211661 - 2¹⁰ = 6030420210637 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 (6030420211663) 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, 38167216451 + ... + 38167216608.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688661200).

Almost surely, 2^{6030420211661} is an apocalyptic number.

It is an amenable number.

6030420211661 is a deficient number, since it is larger than the sum of its proper divisors (76334433139).

6030420211661 is an equidigital number, since it uses as much as digits as its factorization.

6030420211661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76334433138.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 6030420211661 its reverse (1661120240306), we get a palindrome (7691540451967).

The spelling of 6030420211661 in words is "six trillion, thirty billion, four hundred twenty million, two hundred eleven thousand, six hundred sixty-one".