7100766661 has 8 divisors (see below), whose sum is σ = 7131511424. Its totient is φ = 7070055840.

The previous prime is 7100766649. The next prime is 7100766677. The reversal of 7100766661 is 1666670017.

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 7100766661 - 2¹⁷ = 7100635589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7100766611) 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, 467590 + ... + 482536.

It is an arithmetic number, because the mean of its divisors is an integer number (891438928).

Almost surely, 2^7100766661 is an apocalyptic number.

It is an amenable number.

7100766661 is a deficient number, since it is larger than the sum of its proper divisors (30744763).

7100766661 is a wasteful number, since it uses less digits than its factorization.

7100766661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16971.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 7100766661 is about 84266.0469050258. The cubic root of 7100766661 is about 1922.0665196465.

The spelling of 7100766661 in words is "seven billion, one hundred million, seven hundred sixty-six thousand, six hundred sixty-one".