4989977166 has 16 divisors (see below), whose sum is σ = 10015986384. Its totient is φ = 1657320384.

The previous prime is 4989977149. The next prime is 4989977171. The reversal of 4989977166 is 6617799894.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4989977097 and 4989977106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499535 + ... + 1502858.

It is an arithmetic number, because the mean of its divisors is an integer number (625999149).

Almost surely, 2^4989977166 is an apocalyptic number.

4989977166 is an abundant number, since it is smaller than the sum of its proper divisors (5026009218).

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

4989977166 is a wasteful number, since it uses less digits than its factorization.

4989977166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002675.

The product of its digits is 41150592, while the sum is 66.

The square root of 4989977166 is about 70639.7704271468. The cubic root of 4989977166 is about 1708.8325953575.

The spelling of 4989977166 in words is "four billion, nine hundred eighty-nine million, nine hundred seventy-seven thousand, one hundred sixty-six".