1010066681 has 8 divisors (see below), whose sum is σ = 1092645120. Its totient is φ = 928185552.

The previous prime is 1010066677. The next prime is 1010066683. The reversal of 1010066681 is 1866600101.

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 1010066681 - 2² = 1010066677 is a prime.

It is a super-2 number, since 2×1010066681² = 2040469400132711522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010066683) 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, 171311 + ... + 177108.

It is an arithmetic number, because the mean of its divisors is an integer number (136580640).

Almost surely, 2^1010066681 is an apocalyptic number.

It is an amenable number.

1010066681 is a deficient number, since it is larger than the sum of its proper divisors (82578439).

1010066681 is a wasteful number, since it uses less digits than its factorization.

1010066681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348655.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1010066681 is about 31781.5462336243. The cubic root of 1010066681 is about 1003.3443631001.

Adding to 1010066681 its reverse (1866600101), we get a palindrome (2876666782).

The spelling of 1010066681 in words is "one billion, ten million, sixty-six thousand, six hundred eighty-one".