69382161 has 12 divisors (see below), whose sum is σ = 100358388. Its totient is φ = 46190304.

The previous prime is 69382133. The next prime is 69382163. The reversal of 69382161 is 16128396.

It can be written as a sum of positive squares in 2 ways, for example, as 6275025 + 63107136 = 2505^2 + 7944^2 .

It is a de Polignac number, because none of the positive numbers 2^k-69382161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69382163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1971 + ... + 11943.

It is an arithmetic number, because the mean of its divisors is an integer number (8363199).

Almost surely, 2^69382161 is an apocalyptic number.

It is an amenable number.

69382161 is a deficient number, since it is larger than the sum of its proper divisors (30976227).

69382161 is a wasteful number, since it uses less digits than its factorization.

69382161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752 (or 10749 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 69382161 is about 8329.5954883776. The cubic root of 69382161 is about 410.9124256200.

The spelling of 69382161 in words is "sixty-nine million, three hundred eighty-two thousand, one hundred sixty-one".