6942161 has 4 divisors (see below), whose sum is σ = 7111524. Its totient is φ = 6772800.

The previous prime is 6942149. The next prime is 6942179. The reversal of 6942161 is 1612496.

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 3900625 + 3041536 = 1975^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 6942161 - 2¹⁴ = 6925777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6942121) 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, 84620 + ... + 84701.

It is an arithmetic number, because the mean of its divisors is an integer number (1777881).

Almost surely, 2^6942161 is an apocalyptic number.

It is an amenable number.

6942161 is a deficient number, since it is larger than the sum of its proper divisors (169363).

6942161 is a wasteful number, since it uses less digits than its factorization.

6942161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169362.

The product of its digits is 2592, while the sum is 29.

The square root of 6942161 is about 2634.7980947314. The cubic root of 6942161 is about 190.7647936688.

The spelling of 6942161 in words is "six million, nine hundred forty-two thousand, one hundred sixty-one".