22176651961 has 2 divisors, whose sum is σ = 22176651962. Its totient is φ = 22176651960.

The previous prime is 22176651953. The next prime is 22176652013. The reversal of 22176651961 is 16915667122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21303153936 + 873498025 = 145956^2 + 29555^2 .

It is a cyclic number.

It is not a de Polignac number, because 22176651961 - 2³ = 22176651953 is a prime.

It is not a weakly prime, because it can be changed into another prime (22576651961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11088325980 + 11088325981.

It is an arithmetic number, because the mean of its divisors is an integer number (11088325981).

Almost surely, 2^22176651961 is an apocalyptic number.

It is an amenable number.

22176651961 is a deficient number, since it is larger than the sum of its proper divisors (1).

22176651961 is an equidigital number, since it uses as much as digits as its factorization.

22176651961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The spelling of 22176651961 in words is "twenty-two billion, one hundred seventy-six million, six hundred fifty-one thousand, nine hundred sixty-one".