1361326147566 has 32 divisors (see below), whose sum is σ = 3394475589888. Its totient is φ = 353591207040.

The previous prime is 1361326147553. The next prime is 1361326147603. The reversal of 1361326147566 is 6657416231631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1473296235 + ... + 1473297158.

It is an arithmetic number, because the mean of its divisors is an integer number (106077362184).

Almost surely, 2^{1361326147566} is an apocalyptic number.

1361326147566 is an abundant number, since it is smaller than the sum of its proper divisors (2033149442322).

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

1361326147566 is a wasteful number, since it uses less digits than its factorization.

1361326147566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946593416.

The product of its digits is 3265920, while the sum is 51.

The spelling of 1361326147566 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, one hundred forty-seven thousand, five hundred sixty-six".