1466631643552 has 48 divisors (see below), whose sum is σ = 2928476944512. Its totient is φ = 722894135040.

The previous prime is 1466631643537. The next prime is 1466631643567. The reversal of 1466631643552 is 2553461366641.

It is an interprime number because it is at equal distance from previous prime (1466631643537) and next prime (1466631643567).

It is a self number, because there is not a number n which added to its sum of digits gives 1466631643552.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19608658 + ... + 19683310.

It is an arithmetic number, because the mean of its divisors is an integer number (61009936344).

Almost surely, 2^{1466631643552} is an apocalyptic number.

It is an amenable number.

1466631643552 is a deficient number, since it is larger than the sum of its proper divisors (1461845300960).

1466631643552 is an equidigital number, since it uses as much as digits as its factorization.

1466631643552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83381 (or 83373 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 52.

The spelling of 1466631643552 in words is "one trillion, four hundred sixty-six billion, six hundred thirty-one million, six hundred forty-three thousand, five hundred fifty-two".