1361172638846 has 16 divisors (see below), whose sum is σ = 2049448372560. Its totient is φ = 678023426880.

The previous prime is 1361172638827. The next prime is 1361172638953. The reversal of 1361172638846 is 6488362711631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1361172638791 and 1361172638800.

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 in 7 ways as a sum of consecutive naturals, for example, 14099681 + ... + 14195891.

It is an arithmetic number, because the mean of its divisors is an integer number (128090523285).

Almost surely, 2^{1361172638846} is an apocalyptic number.

1361172638846 is a deficient number, since it is larger than the sum of its proper divisors (688275733714).

1361172638846 is a wasteful number, since it uses less digits than its factorization.

1361172638846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122779.

The product of its digits is 6967296, while the sum is 56.

The spelling of 1361172638846 in words is "one trillion, three hundred sixty-one billion, one hundred seventy-two million, six hundred thirty-eight thousand, eight hundred forty-six".