50666399366605 has 8 divisors (see below), whose sum is σ = 66326922807264. Its totient is φ = 36848290448400.

The previous prime is 50666399366537. The next prime is 50666399366621.

It is a happy number.

50666399366605 is nontrivially palindromic in base 10.

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-50666399366605 is a prime.

It is a Duffinian number.

It is a congruent 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, 460603630551 + ... + 460603630660.

It is an arithmetic number, because the mean of its divisors is an integer number (8290865350908).

Almost surely, 2^{50666399366605} is an apocalyptic number.

50666399366605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50666399366605 is a deficient number, since it is larger than the sum of its proper divisors (15660523440659).

50666399366605 is a wasteful number, since it uses less digits than its factorization.

50666399366605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921207261227.

The product of its (nonzero) digits is 850305600, while the sum is 70.

The spelling of 50666399366605 in words is "fifty trillion, six hundred sixty-six billion, three hundred ninety-nine million, three hundred sixty-six thousand, six hundred five".