6983405161 has 4 divisors (see below), whose sum is σ = 6989703300. Its totient is φ = 6977107024.

The previous prime is 6983405147. The next prime is 6983405171. The reversal of 6983405161 is 1615043896.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101707225 + 6881697936 = 10085^2 + 82956^2 .

It is a cyclic number.

It is not a de Polignac number, because 6983405161 - 2¹⁹ = 6982880873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6983405101) 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, 3147406 + ... + 3149623.

It is an arithmetic number, because the mean of its divisors is an integer number (1747425825).

Almost surely, 2^6983405161 is an apocalyptic number.

It is an amenable number.

6983405161 is a deficient number, since it is larger than the sum of its proper divisors (6298139).

6983405161 is a wasteful number, since it uses less digits than its factorization.

6983405161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298138.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 6983405161 is about 83566.7706747126. The cubic root of 6983405161 is about 1911.4183302113.

The spelling of 6983405161 in words is "six billion, nine hundred eighty-three million, four hundred five thousand, one hundred sixty-one".