69324161 has 4 divisors (see below), whose sum is σ = 69340932. Its totient is φ = 69307392.

The previous prime is 69324137. The next prime is 69324169. The reversal of 69324161 is 16142396.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9339136 + 59985025 = 3056^2 + 7745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69324161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69324169) 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, 2705 + ... + 12081.

It is an arithmetic number, because the mean of its divisors is an integer number (17335233).

Almost surely, 2^69324161 is an apocalyptic number.

It is an amenable number.

69324161 is a deficient number, since it is larger than the sum of its proper divisors (16771).

69324161 is an equidigital number, since it uses as much as digits as its factorization.

69324161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16770.

The product of its digits is 7776, while the sum is 32.

The square root of 69324161 is about 8326.1131988461. The cubic root of 69324161 is about 410.7978929867.

The spelling of 69324161 in words is "sixty-nine million, three hundred twenty-four thousand, one hundred sixty-one".