49689488166 has 16 divisors (see below), whose sum is σ = 100778681088. Its totient is φ = 16329878600.

The previous prime is 49689488141. The next prime is 49689488263. The reversal of 49689488166 is 66188498694.

It is a self number, because there is not a number n which added to its sum of digits gives 49689488166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58320570 + ... + 58321421.

It is an arithmetic number, because the mean of its divisors is an integer number (6298667568).

Almost surely, 2^49689488166 is an apocalyptic number.

49689488166 is an abundant number, since it is smaller than the sum of its proper divisors (51089192922).

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

49689488166 is a wasteful number, since it uses less digits than its factorization.

49689488166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116642067.

The product of its digits is 143327232, while the sum is 69.

The spelling of 49689488166 in words is "forty-nine billion, six hundred eighty-nine million, four hundred eighty-eight thousand, one hundred sixty-six".