161300002 has 4 divisors (see below), whose sum is σ = 241950006. Its totient is φ = 80650000.

The previous prime is 161299979. The next prime is 161300011. The reversal of 161300002 is 200003161.

161300002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200003161 = 401 ⋅498761.

It can be written as a sum of positive squares in only one way, i.e., 126360081 + 34939921 = 11241^2 + 5911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40324999 + ... + 40325002.

Almost surely, 2^161300002 is an apocalyptic number.

161300002 is a deficient number, since it is larger than the sum of its proper divisors (80650004).

161300002 is an equidigital number, since it uses as much as digits as its factorization.

161300002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80650003.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 161300002 is about 12700.3937734229. The cubic root of 161300002 is about 544.3498709007.

Adding to 161300002 its reverse (200003161), we get a palindrome (361303163).

The spelling of 161300002 in words is "one hundred sixty-one million, three hundred thousand, two".