1066988851 has 8 divisors (see below), whose sum is σ = 1111194000. Its totient is φ = 1023277920.

The previous prime is 1066988831. The next prime is 1066988861. The reversal of 1066988851 is 1588896601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066988851 - 2¹¹ = 1066986803 is a prime.

It is a super-2 number, since 2×1066988851² = 2276930416316600402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066988831) 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 7 ways as a sum of consecutive naturals, for example, 119145 + ... + 127786.

It is an arithmetic number, because the mean of its divisors is an integer number (138899250).

Almost surely, 2^1066988851 is an apocalyptic number.

1066988851 is a deficient number, since it is larger than the sum of its proper divisors (44205149).

1066988851 is a wasteful number, since it uses less digits than its factorization.

1066988851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247109.

The product of its (nonzero) digits is 829440, while the sum is 52.

The square root of 1066988851 is about 32664.7952848323. The cubic root of 1066988851 is about 1021.8487715414.

The spelling of 1066988851 in words is "one billion, sixty-six million, nine hundred eighty-eight thousand, eight hundred fifty-one".