161995282 has 8 divisors (see below), whose sum is σ = 243279036. Its totient is φ = 80902272.

The previous prime is 161995277. The next prime is 161995283. The reversal of 161995282 is 282599161.

161995282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 127667401 + 34327881 = 11299^2 + 5859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (161995283) 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, 45543 + ... + 48970.

Almost surely, 2^161995282 is an apocalyptic number.

161995282 is a deficient number, since it is larger than the sum of its proper divisors (81283754).

161995282 is an equidigital number, since it uses as much as digits as its factorization.

161995282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95372.

The product of its digits is 77760, while the sum is 43.

The square root of 161995282 is about 12727.7367194643. The cubic root of 161995282 is about 545.1308857150.

The spelling of 161995282 in words is "one hundred sixty-one million, nine hundred ninety-five thousand, two hundred eighty-two".