1086163381 has 2 divisors, whose sum is σ = 1086163382. Its totient is φ = 1086163380.

The previous prime is 1086163333. The next prime is 1086163433. The reversal of 1086163381 is 1833616801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997991281 + 88172100 = 31591^2 + 9390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1086163381 - 2²³ = 1077774773 is a prime.

It is a super-2 number, since 2×1086163381² = 2359501780450702322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1086163381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086163301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543081690 + 543081691.

It is an arithmetic number, because the mean of its divisors is an integer number (543081691).

Almost surely, 2^1086163381 is an apocalyptic number.

It is an amenable number.

1086163381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086163381 is an equidigital number, since it uses as much as digits as its factorization.

1086163381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1086163381 is about 32956.9928998384. The cubic root of 1086163381 is about 1027.9335769005.

The spelling of 1086163381 in words is "one billion, eighty-six million, one hundred sixty-three thousand, three hundred eighty-one".