41772404161 has 2 divisors, whose sum is σ = 41772404162. Its totient is φ = 41772404160.

The previous prime is 41772404159. The next prime is 41772404203. The reversal of 41772404161 is 16140427714.

41772404161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39808230400 + 1964173761 = 199520^2 + 44319^2 .

It is a cyclic number.

It is not a de Polignac number, because 41772404161 - 2¹ = 41772404159 is a prime.

It is a super-2 number, since 2×41772404161² (a number of 22 digits) contains 22 as substring.

Together with 41772404159, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 41772404161.

It is not a weakly prime, because it can be changed into another prime (41772405161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20886202080 + 20886202081.

It is an arithmetic number, because the mean of its divisors is an integer number (20886202081).

Almost surely, 2^41772404161 is an apocalyptic number.

It is an amenable number.

41772404161 is a deficient number, since it is larger than the sum of its proper divisors (1).

41772404161 is an equidigital number, since it uses as much as digits as its factorization.

41772404161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 41772404161 in words is "forty-one billion, seven hundred seventy-two million, four hundred four thousand, one hundred sixty-one".