50161656500099 has 4 divisors (see below), whose sum is σ = 50346754863840. Its totient is φ = 49976558136360.

The previous prime is 50161656500093. The next prime is 50161656500107. The reversal of 50161656500099 is 99000565616105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50161656500099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50161656500099.

It is not an unprimeable number, because it can be changed into a prime (50161656500093) 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, 92549181464 + ... + 92549182005.

It is an arithmetic number, because the mean of its divisors is an integer number (12586688715960).

Almost surely, 2^{50161656500099} is an apocalyptic number.

50161656500099 is a deficient number, since it is larger than the sum of its proper divisors (185098363741).

50161656500099 is a wasteful number, since it uses less digits than its factorization.

50161656500099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185098363740.

The product of its (nonzero) digits is 2187000, while the sum is 53.

The spelling of 50161656500099 in words is "fifty trillion, one hundred sixty-one billion, six hundred fifty-six million, five hundred thousand, ninety-nine".