1066646141 has 8 divisors (see below), whose sum is σ = 1165420224. Its totient is φ = 968173120.

The previous prime is 1066646123. The next prime is 1066646159. The reversal of 1066646141 is 1416466601.

It is an interprime number because it is at equal distance from previous prime (1066646123) and next prime (1066646159).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066646141 is a prime.

It is a super-2 number, since 2×1066646141² = 2275467980220383762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066646741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67820 + ... + 82053.

It is an arithmetic number, because the mean of its divisors is an integer number (145677528).

Almost surely, 2^1066646141 is an apocalyptic number.

1066646141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1066646141 is a deficient number, since it is larger than the sum of its proper divisors (98774083).

1066646141 is a wasteful number, since it uses less digits than its factorization.

1066646141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150531.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1066646141 is about 32659.5490017851. The cubic root of 1066646141 is about 1021.7393560610.

The spelling of 1066646141 in words is "one billion, sixty-six million, six hundred forty-six thousand, one hundred forty-one".