1361661362 has 16 divisors (see below), whose sum is σ = 2065123032. Its totient is φ = 673297920.

The previous prime is 1361661313. The next prime is 1361661401. The reversal of 1361661362 is 2631661631.

It can be written as a sum of positive squares in 4 ways, for example, as 1283144041 + 78517321 = 35821^2 + 8861^2 .

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, 443312 + ... + 446372.

Almost surely, 2^1361661362 is an apocalyptic number.

1361661362 is a deficient number, since it is larger than the sum of its proper divisors (703461670).

1361661362 is a wasteful number, since it uses less digits than its factorization.

1361661362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453.

The product of its digits is 23328, while the sum is 35.

The square root of 1361661362 is about 36900.6959554966. The cubic root of 1361661362 is about 1108.3826137371.

The spelling of 1361661362 in words is "one billion, three hundred sixty-one million, six hundred sixty-one thousand, three hundred sixty-two".