1412216161 has 4 divisors (see below), whose sum is σ = 1460913300. Its totient is φ = 1363519024.

The previous prime is 1412216147. The next prime is 1412216167. The reversal of 1412216161 is 1616122141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 625750225 + 786465936 = 25015^2 + 28044^2 .

It is a cyclic number.

It is not a de Polignac number, because 1412216161 - 2²⁷ = 1277998433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1412216167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24348526 + ... + 24348583.

It is an arithmetic number, because the mean of its divisors is an integer number (365228325).

Almost surely, 2^1412216161 is an apocalyptic number.

It is an amenable number.

1412216161 is a deficient number, since it is larger than the sum of its proper divisors (48697139).

1412216161 is an equidigital number, since it uses as much as digits as its factorization.

1412216161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48697138.

The product of its digits is 576, while the sum is 25.

The square root of 1412216161 is about 37579.4646183258. The cubic root of 1412216161 is about 1121.9333531523.

The spelling of 1412216161 in words is "one billion, four hundred twelve million, two hundred sixteen thousand, one hundred sixty-one".