161233466 has 4 divisors (see below), whose sum is σ = 241850202. Its totient is φ = 80616732.

The previous prime is 161233447. The next prime is 161233469. The reversal of 161233466 is 664332161.

161233466 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.

It can be written as a sum of positive squares in only one way, i.e., 154878025 + 6355441 = 12445^2 + 2521^2 .

It is not an unprimeable number, because it can be changed into a prime (161233469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40308365 + ... + 40308368.

Almost surely, 2^161233466 is an apocalyptic number.

161233466 is a deficient number, since it is larger than the sum of its proper divisors (80616736).

161233466 is an equidigital number, since it uses as much as digits as its factorization.

161233466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80616735.

The product of its digits is 15552, while the sum is 32.

The square root of 161233466 is about 12697.7740568967. The cubic root of 161233466 is about 544.2750127817.

The spelling of 161233466 in words is "one hundred sixty-one million, two hundred thirty-three thousand, four hundred sixty-six".