2047166461 has 2 divisors, whose sum is σ = 2047166462. Its totient is φ = 2047166460.

The previous prime is 2047166431. The next prime is 2047166491. The reversal of 2047166461 is 1646617402.

It is a balanced prime because it is at equal distance from previous prime (2047166431) and next prime (2047166491).

It can be written as a sum of positive squares in only one way, i.e., 1893555225 + 153611236 = 43515^2 + 12394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047166461 - 2⁹ = 2047165949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2047166461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047166431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023583230 + 1023583231.

It is an arithmetic number, because the mean of its divisors is an integer number (1023583231).

Almost surely, 2^2047166461 is an apocalyptic number.

It is an amenable number.

2047166461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047166461 is an equidigital number, since it uses as much as digits as its factorization.

2047166461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2047166461 is about 45245.6236668255. The cubic root of 2047166461 is about 1269.7485316481.

The spelling of 2047166461 in words is "two billion, forty-seven million, one hundred sixty-six thousand, four hundred sixty-one".