50165166109 has 2 divisors, whose sum is σ = 50165166110. Its totient is φ = 50165166108.

The previous prime is 50165166101. The next prime is 50165166131. The reversal of 50165166109 is 90166156105.

50165166109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32087556900 + 18077609209 = 179130^2 + 134453^2 .

It is a cyclic number.

It is not a de Polignac number, because 50165166109 - 2³ = 50165166101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50165166101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25082583054 + 25082583055.

It is an arithmetic number, because the mean of its divisors is an integer number (25082583055).

Almost surely, 2^50165166109 is an apocalyptic number.

It is an amenable number.

50165166109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50165166109 is an equidigital number, since it uses as much as digits as its factorization.

50165166109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 50165166109 in words is "fifty billion, one hundred sixty-five million, one hundred sixty-six thousand, one hundred nine".