6916227356161 has 4 divisors (see below), whose sum is σ = 6916998319024. Its totient is φ = 6915456393300.

The previous prime is 6916227356149. The next prime is 6916227356173. The reversal of 6916227356161 is 1616537226196.

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 an interprime number because it is at equal distance from previous prime (6916227356149) and next prime (6916227356173).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6916227356161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6916227357161) 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, 385467975 + ... + 385485916.

It is an arithmetic number, because the mean of its divisors is an integer number (1729249579756).

Almost surely, 2^{6916227356161} is an apocalyptic number.

It is an amenable number.

6916227356161 is a deficient number, since it is larger than the sum of its proper divisors (770962863).

6916227356161 is an equidigital number, since it uses as much as digits as its factorization.

6916227356161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770962862.

The product of its digits is 4898880, while the sum is 55.

The spelling of 6916227356161 in words is "six trillion, nine hundred sixteen billion, two hundred twenty-seven million, three hundred fifty-six thousand, one hundred sixty-one".