1066002560677 has 4 divisors (see below), whose sum is σ = 1128708593676. Its totient is φ = 1003296527680.

The previous prime is 1066002560671. The next prime is 1066002560743. The reversal of 1066002560677 is 7760652006601.

1066002560677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1032474²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 829931932036 + 236070628641 = 911006^2 + 485871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066002560677 - 2¹⁹ = 1066002036389 is a prime.

It is a super-2 number, since 2×1066002560677² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066002560671) 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, 31353016474 + ... + 31353016507.

It is an arithmetic number, because the mean of its divisors is an integer number (282177148419).

Almost surely, 2^{1066002560677} is an apocalyptic number.

1066002560677 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1066002560677 is a deficient number, since it is larger than the sum of its proper divisors (62706032999).

1066002560677 is an equidigital number, since it uses as much as digits as its factorization.

1066002560677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62706032998.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 1066002560677 in words is "one trillion, sixty-six billion, two million, five hundred sixty thousand, six hundred seventy-seven".