3666358727 has 4 divisors (see below), whose sum is σ = 3792784920. Its totient is φ = 3539932536.

The previous prime is 3666358721. The next prime is 3666358733. The reversal of 3666358727 is 7278536663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7278536663 = 19 ⋅383080877.

It is an interprime number because it is at equal distance from previous prime (3666358721) and next prime (3666358733).

It is a cyclic number.

It is not a de Polignac number, because 3666358727 - 2⁴ = 3666358711 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 (3666358721) 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, 63213053 + ... + 63213110.

It is an arithmetic number, because the mean of its divisors is an integer number (948196230).

Almost surely, 2^3666358727 is an apocalyptic number.

3666358727 is a deficient number, since it is larger than the sum of its proper divisors (126426193).

3666358727 is a wasteful number, since it uses less digits than its factorization.

3666358727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126426192.

The product of its digits is 7620480, while the sum is 53.

The square root of 3666358727 is about 60550.4643004494. The cubic root of 3666358727 is about 1541.9785003701.

The spelling of 3666358727 in words is "three billion, six hundred sixty-six million, three hundred fifty-eight thousand, seven hundred twenty-seven".