161602283 has 2 divisors, whose sum is σ = 161602284. Its totient is φ = 161602282.

The previous prime is 161602253. The next prime is 161602313. The reversal of 161602283 is 382206161.

It is a balanced prime because it is at equal distance from previous prime (161602253) and next prime (161602313).

It is a cyclic number.

It is not a de Polignac number, because 161602283 - 2¹⁰ = 161601259 is a prime.

It is a super-2 number, since 2×161602283² = 52230595741624178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (161602253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80801141 + 80801142.

It is an arithmetic number, because the mean of its divisors is an integer number (80801142).

Almost surely, 2^161602283 is an apocalyptic number.

161602283 is a deficient number, since it is larger than the sum of its proper divisors (1).

161602283 is an equidigital number, since it uses as much as digits as its factorization.

161602283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 161602283 is about 12712.2886609768. The cubic root of 161602283 is about 544.6897013197.

The spelling of 161602283 in words is "one hundred sixty-one million, six hundred two thousand, two hundred eighty-three".