40361667061 has 2 divisors, whose sum is σ = 40361667062. Its totient is φ = 40361667060.

The previous prime is 40361667037. The next prime is 40361667083. The reversal of 40361667061 is 16076616304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39952414161 + 409252900 = 199881^2 + 20230^2 .

It is a cyclic number.

It is not a de Polignac number, because 40361667061 - 2⁹ = 40361666549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40361667961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20180833530 + 20180833531.

It is an arithmetic number, because the mean of its divisors is an integer number (20180833531).

Almost surely, 2^40361667061 is an apocalyptic number.

It is an amenable number.

40361667061 is a deficient number, since it is larger than the sum of its proper divisors (1).

40361667061 is an equidigital number, since it uses as much as digits as its factorization.

40361667061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 40361667061 in words is "forty billion, three hundred sixty-one million, six hundred sixty-seven thousand, sixty-one".