6948980161 has 4 divisors (see below), whose sum is σ = 7118467524. Its totient is φ = 6779492800.

The previous prime is 6948980153. The next prime is 6948980183. The reversal of 6948980161 is 1610898496.

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 2110943025 + 4838037136 = 45945^2 + 69556^2 .

It is a cyclic number.

It is not a de Polignac number, because 6948980161 - 2³ = 6948980153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6948980099 and 6948980108.

It is not an unprimeable number, because it can be changed into a prime (6948980131) 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, 84743620 + ... + 84743701.

It is an arithmetic number, because the mean of its divisors is an integer number (1779616881).

Almost surely, 2^6948980161 is an apocalyptic number.

It is an amenable number.

6948980161 is a deficient number, since it is larger than the sum of its proper divisors (169487363).

6948980161 is a wasteful number, since it uses less digits than its factorization.

6948980161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169487362.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 6948980161 is about 83360.5431904087. The cubic root of 6948980161 is about 1908.2723484707.

The spelling of 6948980161 in words is "six billion, nine hundred forty-eight million, nine hundred eighty thousand, one hundred sixty-one".