1827666055744 has 63 divisors (see below), whose sum is σ = 3644740786323. Its totient is φ = 909328457088.

The previous prime is 1827666055741. The next prime is 1827666055751. The reversal of 1827666055744 is 4475506667281.

The square root of 1827666055744 is 1351912.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1827666055744² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1827666055741) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3752907469 + ... + 3752907955.

Almost surely, 2^{1827666055744} is an apocalyptic number.

1827666055744 is the 1351912-nd square number.

It is an amenable number.

1827666055744 is a deficient number, since it is larger than the sum of its proper divisors (1817074730579).

1827666055744 is an frugal number, since it uses more digits than its factorization.

1827666055744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 61.

The spelling of 1827666055744 in words is "one trillion, eight hundred twenty-seven billion, six hundred sixty-six million, fifty-five thousand, seven hundred forty-four".