1066851481 has 8 divisors (see below), whose sum is σ = 1114801920. Its totient is φ = 1019031552.

The previous prime is 1066851427. The next prime is 1066851497. The reversal of 1066851481 is 1841586601.

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 1066851481 - 2¹³ = 1066843289 is a prime.

It is a super-2 number, since 2×1066851481² = 2276344165023786722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066851281) 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, 15720 + ... + 48793.

It is an arithmetic number, because the mean of its divisors is an integer number (139350240).

Almost surely, 2^1066851481 is an apocalyptic number.

It is an amenable number.

1066851481 is a deficient number, since it is larger than the sum of its proper divisors (47950439).

1066851481 is an equidigital number, since it uses as much as digits as its factorization.

1066851481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65255.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1066851481 is about 32662.6924946490. The cubic root of 1066851481 is about 1021.8049168531.

The spelling of 1066851481 in words is "one billion, sixty-six million, eight hundred fifty-one thousand, four hundred eighty-one".