1361316746646 has 48 divisors (see below), whose sum is σ = 2975041829760. Its totient is φ = 449862647040.

The previous prime is 1361316746633. The next prime is 1361316746663. The reversal of 1361316746646 is 6466476131631.

1361316746646 is a `hidden beast` number, since 1 + 3 + 6 + 13 + 167 + 466 + 4 + 6 = 666.

It is a super-3 number, since 3×1361316746646³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1361316746592 and 1361316746601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263760 + ... + 1670988.

It is an arithmetic number, because the mean of its divisors is an integer number (61980038120).

Almost surely, 2^{1361316746646} is an apocalyptic number.

1361316746646 is an abundant number, since it is smaller than the sum of its proper divisors (1613725083114).

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

1361316746646 is a wasteful number, since it uses less digits than its factorization.

1361316746646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407701 (or 1407698 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 1361316746646 in words is "one trillion, three hundred sixty-one billion, three hundred sixteen million, seven hundred forty-six thousand, six hundred forty-six".