161463466 has 4 divisors (see below), whose sum is σ = 242195202. Its totient is φ = 80731732.

The previous prime is 161463461. The next prime is 161463479. The reversal of 161463466 is 664364161.

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., 147987225 + 13476241 = 12165^2 + 3671^2 .

It is not an unprimeable number, because it can be changed into a prime (161463461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40365865 + ... + 40365868.

Almost surely, 2^161463466 is an apocalyptic number.

161463466 is a deficient number, since it is larger than the sum of its proper divisors (80731736).

161463466 is an equidigital number, since it uses as much as digits as its factorization.

161463466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80731735.

The product of its digits is 62208, while the sum is 37.

The square root of 161463466 is about 12706.8275348334. The cubic root of 161463466 is about 544.5336931050.

The spelling of 161463466 in words is "one hundred sixty-one million, four hundred sixty-three thousand, four hundred sixty-six".