161346030106 has 4 divisors (see below), whose sum is σ = 242019045162. Its totient is φ = 80673015052.

The previous prime is 161346030103. The next prime is 161346030149. The reversal of 161346030106 is 601030643161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108817515625 + 52528514481 = 329875^2 + 229191^2 .

It is not an unprimeable number, because it can be changed into a prime (161346030103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40336507525 + ... + 40336507528.

Almost surely, 2^161346030106 is an apocalyptic number.

161346030106 is a deficient number, since it is larger than the sum of its proper divisors (80673015056).

161346030106 is an equidigital number, since it uses as much as digits as its factorization.

161346030106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80673015055.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 161346030106 its reverse (601030643161), we get a palindrome (762376673267).

The spelling of 161346030106 in words is "one hundred sixty-one billion, three hundred forty-six million, thirty thousand, one hundred six".