39666681070041 has 8 divisors (see below), whose sum is σ = 53402392638400. Its totient is φ = 26187711774192.

The previous prime is 39666681070019. The next prime is 39666681070123. The reversal of 39666681070041 is 14007018666693.

It is a happy number.

39666681070041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-39666681070041 is a prime.

It is a super-2 number, since 2×39666681070041² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39666681050041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64185567766 + ... + 64185568383.

It is an arithmetic number, because the mean of its divisors is an integer number (6675299079800).

Almost surely, 2^{39666681070041} is an apocalyptic number.

It is an amenable number.

39666681070041 is a deficient number, since it is larger than the sum of its proper divisors (13735711568359).

39666681070041 is a wasteful number, since it uses less digits than its factorization.

39666681070041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128371136255.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 39666681070041 in words is "thirty-nine trillion, six hundred sixty-six billion, six hundred eighty-one million, seventy thousand, forty-one".