1082166485401 has 2 divisors, whose sum is σ = 1082166485402. Its totient is φ = 1082166485400.

The previous prime is 1082166485399. The next prime is 1082166485431. The reversal of 1082166485401 is 1045846612801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 918724167001 + 163442318400 = 958501^2 + 404280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1082166485401 - 2¹ = 1082166485399 is a prime.

It is a super-2 number, since 2×1082166485401² (a number of 25 digits) contains 22 as substring.

Together with 1082166485399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1082166485431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541083242700 + 541083242701.

It is an arithmetic number, because the mean of its divisors is an integer number (541083242701).

Almost surely, 2^{1082166485401} is an apocalyptic number.

It is an amenable number.

1082166485401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082166485401 is an equidigital number, since it uses as much as digits as its factorization.

1082166485401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 1082166485401 in words is "one trillion, eighty-two billion, one hundred sixty-six million, four hundred eighty-five thousand, four hundred one".