49171522168 has 8 divisors (see below), whose sum is σ = 92196604080. Its totient is φ = 24585761080.

The previous prime is 49171522133. The next prime is 49171522171. The reversal of 49171522168 is 86122517194.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3073220128 + ... + 3073220143.

It is an arithmetic number, because the mean of its divisors is an integer number (11524575510).

Almost surely, 2^49171522168 is an apocalyptic number.

It is an amenable number.

49171522168 is a deficient number, since it is larger than the sum of its proper divisors (43025081912).

49171522168 is a wasteful number, since it uses less digits than its factorization.

49171522168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146440277 (or 6146440273 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The spelling of 49171522168 in words is "forty-nine billion, one hundred seventy-one million, five hundred twenty-two thousand, one hundred sixty-eight".