1361326171650 has 24 divisors (see below), whose sum is σ = 3376088906064. Its totient is φ = 363020312400.

The previous prime is 1361326171643. The next prime is 1361326171679. The reversal of 1361326171650 is 561716231631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4537753756 + ... + 4537754055.

It is an arithmetic number, because the mean of its divisors is an integer number (140670371086).

Almost surely, 2^{1361326171650} is an apocalyptic number.

1361326171650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361326171650 is an abundant number, since it is smaller than the sum of its proper divisors (2014762734414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361326171650 is a wasteful number, since it uses less digits than its factorization.

1361326171650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9075507826 (or 9075507821 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 1361326171650 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, one hundred seventy-one thousand, six hundred fifty".