50166161115509 has 8 divisors (see below), whose sum is σ = 51332987879712. Its totient is φ = 48999342162960.

The previous prime is 50166161115487. The next prime is 50166161115523. The reversal of 50166161115509 is 90551116166105.

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 50166161115509 - 2⁸ = 50166161115253 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 (50166161115599) 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, 12223367 + ... + 15803259.

It is an arithmetic number, because the mean of its divisors is an integer number (6416623484964).

Almost surely, 2^{50166161115509} is an apocalyptic number.

It is an amenable number.

50166161115509 is a deficient number, since it is larger than the sum of its proper divisors (1166826764203).

50166161115509 is a wasteful number, since it uses less digits than its factorization.

50166161115509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905827.

The product of its (nonzero) digits is 243000, while the sum is 47.

The spelling of 50166161115509 in words is "fifty trillion, one hundred sixty-six billion, one hundred sixty-one million, one hundred fifteen thousand, five hundred nine".