49319977168 has 160 divisors (see below), whose sum is σ = 125777664000. Its totient is φ = 18150428160.

The previous prime is 49319977163. The next prime is 49319977229. The reversal of 49319977168 is 86177991394.

49319977168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49319977163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8400538 + ... + 8406406.

It is an arithmetic number, because the mean of its divisors is an integer number (786110400).

Almost surely, 2^49319977168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49319977168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62888832000).

49319977168 is an abundant number, since it is smaller than the sum of its proper divisors (76457686832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49319977168 is a wasteful number, since it uses less digits than its factorization.

49319977168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273 (or 6267 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 64.

The spelling of 49319977168 in words is "forty-nine billion, three hundred nineteen million, nine hundred seventy-seven thousand, one hundred sixty-eight".