207461161 has 2 divisors, whose sum is σ = 207461162. Its totient is φ = 207461160.

The previous prime is 207461143. The next prime is 207461227. The reversal of 207461161 is 161164702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125014761 + 82446400 = 11181^2 + 9080^2 .

It is a cyclic number.

It is not a de Polignac number, because 207461161 - 2¹¹ = 207459113 is a prime.

It is not a weakly prime, because it can be changed into another prime (207461101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103730580 + 103730581.

It is an arithmetic number, because the mean of its divisors is an integer number (103730581).

Almost surely, 2^207461161 is an apocalyptic number.

It is an amenable number.

207461161 is a deficient number, since it is larger than the sum of its proper divisors (1).

207461161 is an equidigital number, since it uses as much as digits as its factorization.

207461161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 207461161 is about 14403.5121064274. The cubic root of 207461161 is about 591.9871339196.

The spelling of 207461161 in words is "two hundred seven million, four hundred sixty-one thousand, one hundred sixty-one".