1055165849 has 2 divisors, whose sum is σ = 1055165850. Its totient is φ = 1055165848.

The previous prime is 1055165821. The next prime is 1055165857. The reversal of 1055165849 is 9485615501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 993825625 + 61340224 = 31525^2 + 7832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055165849 - 2¹² = 1055161753 is a prime.

It is a super-5 number, since 5×1055165849⁵ (a number of 46 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1055165869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527582924 + 527582925.

It is an arithmetic number, because the mean of its divisors is an integer number (527582925).

Almost surely, 2^1055165849 is an apocalyptic number.

It is an amenable number.

1055165849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055165849 is an equidigital number, since it uses as much as digits as its factorization.

1055165849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 1055165849 is about 32483.3164716905. The cubic root of 1055165849 is about 1018.0604720247.

The spelling of 1055165849 in words is "one billion, fifty-five million, one hundred sixty-five thousand, eight hundred forty-nine".