49688398166 has 32 divisors (see below), whose sum is σ = 81890883360. Its totient is φ = 22424371200.

The previous prime is 49688398163. The next prime is 49688398181. The reversal of 49688398166 is 66189388694.

It is a super-3 number, since 3×49688398166³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49688398096 and 49688398105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49688398163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1772870 + ... + 1800678.

It is an arithmetic number, because the mean of its divisors is an integer number (2559090105).

Almost surely, 2^49688398166 is an apocalyptic number.

49688398166 is a deficient number, since it is larger than the sum of its proper divisors (32202485194).

49688398166 is a wasteful number, since it uses less digits than its factorization.

49688398166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28400.

The product of its digits is 107495424, while the sum is 68.

The spelling of 49688398166 in words is "forty-nine billion, six hundred eighty-eight million, three hundred ninety-eight thousand, one hundred sixty-six".