1066698849600 has 252 divisors, whose sum is σ = 3931719506624. Its totient is φ = 284452922880.

The previous prime is 1066698849581. The next prime is 1066698849647. The reversal of 1066698849600 is 69488966601.

It is a super-2 number, since 2×1066698849600² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 982984 + ... + 1760583.

Almost surely, 2^{1066698849600} is an apocalyptic number.

1066698849600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066698849600 is an abundant number, since it is smaller than the sum of its proper divisors (2865020657024).

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

1066698849600 is an equidigital number, since it uses as much as digits as its factorization.

1066698849600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743604 (or 2743577 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 1066698849600 in words is "one trillion, sixty-six billion, six hundred ninety-eight million, eight hundred forty-nine thousand, six hundred".