1073868161 has 4 divisors (see below), whose sum is σ = 1089896112. Its totient is φ = 1057840212.

The previous prime is 1073868097. The next prime is 1073868167. The reversal of 1073868161 is 1618683701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1073868161 - 2⁶ = 1073868097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1073868167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8013875 + ... + 8014008.

It is an arithmetic number, because the mean of its divisors is an integer number (272474028).

Almost surely, 2^1073868161 is an apocalyptic number.

It is an amenable number.

1073868161 is a deficient number, since it is larger than the sum of its proper divisors (16027951).

1073868161 is an equidigital number, since it uses as much as digits as its factorization.

1073868161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16027950.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1073868161 is about 32769.9276929321. The cubic root of 1073868161 is about 1024.0401598757.

The spelling of 1073868161 in words is "one billion, seventy-three million, eight hundred sixty-eight thousand, one hundred sixty-one".