6666632037745 has 8 divisors (see below), whose sum is σ = 8002306560384. Its totient is φ = 5331740220144.

The previous prime is 6666632037671. The next prime is 6666632037799. The reversal of 6666632037745 is 5477302366666.

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 6666632037745 - 2¹⁷ = 6666631906673 is a prime.

It is a super-2 number, since 2×6666632037745² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195657519 + ... + 195691588.

It is an arithmetic number, because the mean of its divisors is an integer number (1000288320048).

Almost surely, 2^{6666632037745} is an apocalyptic number.

It is an amenable number.

6666632037745 is a deficient number, since it is larger than the sum of its proper divisors (1335674522639).

6666632037745 is a wasteful number, since it uses less digits than its factorization.

6666632037745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391352519.

The product of its (nonzero) digits is 137168640, while the sum is 61.

The spelling of 6666632037745 in words is "six trillion, six hundred sixty-six billion, six hundred thirty-two million, thirty-seven thousand, seven hundred forty-five".