1051166449 has 2 divisors, whose sum is σ = 1051166450. Its totient is φ = 1051166448.

The previous prime is 1051166419. The next prime is 1051166477. The reversal of 1051166449 is 9446611501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 981694224 + 69472225 = 31332^2 + 8335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051166449 - 2¹³ = 1051158257 is a prime.

It is a super-2 number, since 2×1051166449² = 2209901807006539202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051166419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525583224 + 525583225.

It is an arithmetic number, because the mean of its divisors is an integer number (525583225).

Almost surely, 2^1051166449 is an apocalyptic number.

It is an amenable number.

1051166449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051166449 is an equidigital number, since it uses as much as digits as its factorization.

1051166449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1051166449 is about 32421.6971949341. The cubic root of 1051166449 is about 1016.7725903910.

The spelling of 1051166449 in words is "one billion, fifty-one million, one hundred sixty-six thousand, four hundred forty-nine".