13161466 has 4 divisors (see below), whose sum is σ = 19742202. Its totient is φ = 6580732.

The previous prime is 13161431. The next prime is 13161487. The reversal of 13161466 is 66416131.

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., 12567025 + 594441 = 3545^2 + 771^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3290365 + ... + 3290368.

Almost surely, 2^13161466 is an apocalyptic number.

13161466 is a deficient number, since it is larger than the sum of its proper divisors (6580736).

13161466 is an equidigital number, since it uses as much as digits as its factorization.

13161466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580735.

The product of its digits is 2592, while the sum is 28.

The square root of 13161466 is about 3627.8734818072. The cubic root of 13161466 is about 236.1029546966.

Adding to 13161466 its reverse (66416131), we get a palindrome (79577597).

The spelling of 13161466 in words is "thirteen million, one hundred sixty-one thousand, four hundred sixty-six".