1661014226 has 16 divisors (see below), whose sum is σ = 2519656440. Its totient is φ = 821145600.

The previous prime is 1661014217. The next prime is 1661014241. The reversal of 1661014226 is 6224101661.

It can be written as a sum of positive squares in 4 ways, for example, as 933363601 + 727650625 = 30551^2 + 26975^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229430 + ... + 236558.

Almost surely, 2^1661014226 is an apocalyptic number.

1661014226 is a deficient number, since it is larger than the sum of its proper divisors (858642214).

1661014226 is a wasteful number, since it uses less digits than its factorization.

1661014226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1661014226 is about 40755.5422734136. The cubic root of 1661014226 is about 1184.2892415039.

Adding to 1661014226 its reverse (6224101661), we get a palindrome (7885115887).

The spelling of 1661014226 in words is "one billion, six hundred sixty-one million, fourteen thousand, two hundred twenty-six".