1356645034566 has 24 divisors (see below), whose sum is σ = 2939720621760. Its totient is φ = 452165312016.

The previous prime is 1356645034559. The next prime is 1356645034571. The reversal of 1356645034566 is 6654305466531.

1356645034566 is a `hidden beast` number, since 1 + 3 + 5 + 6 + 6 + 45 + 0 + 34 + 566 = 666.

It is a congruent 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, 3973110 + ... + 4301033.

It is an arithmetic number, because the mean of its divisors is an integer number (122488359240).

Almost surely, 2^{1356645034566} is an apocalyptic number.

1356645034566 is an abundant number, since it is smaller than the sum of its proper divisors (1583075587194).

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

1356645034566 is a wasteful number, since it uses less digits than its factorization.

1356645034566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283260 (or 8283257 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 1356645034566 in words is "one trillion, three hundred fifty-six billion, six hundred forty-five million, thirty-four thousand, five hundred sixty-six".