1361603632366 has 4 divisors (see below), whose sum is σ = 2042405448552. Its totient is φ = 680801816182.

The previous prime is 1361603632351. The next prime is 1361603632373. The reversal of 1361603632366 is 6632363061631.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340400908090 + ... + 340400908093.

It is an arithmetic number, because the mean of its divisors is an integer number (510601362138).

Almost surely, 2^{1361603632366} is an apocalyptic number.

1361603632366 is a deficient number, since it is larger than the sum of its proper divisors (680801816186).

1361603632366 is an equidigital number, since it uses as much as digits as its factorization.

1361603632366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680801816185.

The product of its (nonzero) digits is 1259712, while the sum is 46.

Adding to 1361603632366 its reverse (6632363061631), we get a palindrome (7993966693997).

The spelling of 1361603632366 in words is "one trillion, three hundred sixty-one billion, six hundred three million, six hundred thirty-two thousand, three hundred sixty-six".