10066565677 has 4 divisors (see below), whose sum is σ = 11504646496. Its totient is φ = 8628484860.

The previous prime is 10066565651. The next prime is 10066565681. The reversal of 10066565677 is 77656566001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10066565677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10066565677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10066565647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719040399 + ... + 719040412.

It is an arithmetic number, because the mean of its divisors is an integer number (2876161624).

Almost surely, 2^10066565677 is an apocalyptic number.

It is an amenable number.

10066565677 is a deficient number, since it is larger than the sum of its proper divisors (1438080819).

10066565677 is an equidigital number, since it uses as much as digits as its factorization.

10066565677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438080818.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 10066565677 in words is "ten billion, sixty-six million, five hundred sixty-five thousand, six hundred seventy-seven".