1466543003661 has 40 divisors (see below), whose sum is σ = 2228259818400. Its totient is φ = 960966128160.

The previous prime is 1466543003633. The next prime is 1466543003669. The reversal of 1466543003661 is 1663003456641.

1466543003661 is a `hidden beast` number, since 1 + 46 + 6 + 543 + 0 + 0 + 3 + 6 + 61 = 666.

It is not a de Polignac number, because 1466543003661 - 2¹⁷ = 1466542872589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466543003669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33761046 + ... + 33804456.

It is an arithmetic number, because the mean of its divisors is an integer number (55706495460).

Almost surely, 2^{1466543003661} is an apocalyptic number.

It is an amenable number.

1466543003661 is a deficient number, since it is larger than the sum of its proper divisors (761716814739).

1466543003661 is an equidigital number, since it uses as much as digits as its factorization.

1466543003661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50551 (or 50542 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 1466543003661 in words is "one trillion, four hundred sixty-six billion, five hundred forty-three million, three thousand, six hundred sixty-one".