867341661 has 16 divisors (see below), whose sum is σ = 1229510016. Its totient is φ = 542649536.

The previous prime is 867341627. The next prime is 867341663. The reversal of 867341661 is 166143768.

It is a cyclic number.

It is not a de Polignac number, because 867341661 - 2¹⁰ = 867340637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867341663) 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 in 15 ways as a sum of consecutive naturals, for example, 114930 + ... + 122243.

It is an arithmetic number, because the mean of its divisors is an integer number (76844376).

Almost surely, 2^867341661 is an apocalyptic number.

It is an amenable number.

867341661 is a deficient number, since it is larger than the sum of its proper divisors (362168355).

867341661 is a wasteful number, since it uses less digits than its factorization.

867341661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237252.

The product of its digits is 145152, while the sum is 42.

The square root of 867341661 is about 29450.6648651605. The cubic root of 867341661 is about 953.6669580554. Note that the first 3 decimals are identical.

The spelling of 867341661 in words is "eight hundred sixty-seven million, three hundred forty-one thousand, six hundred sixty-one".