1066740677 has 8 divisors (see below), whose sum is σ = 1070065920. Its totient is φ = 1063422000.

The previous prime is 1066740643. The next prime is 1066740683. The reversal of 1066740677 is 7760476601.

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 1066740677 - 2²⁰ = 1065692101 is a prime.

It is a super-2 number, since 2×1066740677² = 2275871343932836658, which 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 (1066740607) 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, 629243 + ... + 630935.

It is an arithmetic number, because the mean of its divisors is an integer number (133758240).

Almost surely, 2^1066740677 is an apocalyptic number.

It is an amenable number.

1066740677 is a deficient number, since it is larger than the sum of its proper divisors (3325243).

1066740677 is an equidigital number, since it uses as much as digits as its factorization.

1066740677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 1066740677 is about 32660.9962646579. The cubic root of 1066740677 is about 1021.7695404851.

The spelling of 1066740677 in words is "one billion, sixty-six million, seven hundred forty thousand, six hundred seventy-seven".