706043161 has 4 divisors (see below), whose sum is σ = 707184400. Its totient is φ = 704901924.

The previous prime is 706043137. The next prime is 706043179. The reversal of 706043161 is 161340607.

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, and also an emirpimes, since its reverse is a distinct semiprime: 161340607 = 23 ⋅7014809.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706043161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706043111) 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, 569691 + ... + 570928.

It is an arithmetic number, because the mean of its divisors is an integer number (176796100).

Almost surely, 2^706043161 is an apocalyptic number.

It is an amenable number.

706043161 is a deficient number, since it is larger than the sum of its proper divisors (1141239).

706043161 is a wasteful number, since it uses less digits than its factorization.

706043161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141238.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 706043161 is about 26571.4726915916. The cubic root of 706043161 is about 890.4518014961.

Adding to 706043161 its reverse (161340607), we get a palindrome (867383768).

The spelling of 706043161 in words is "seven hundred six million, forty-three thousand, one hundred sixty-one".