986591660 has 12 divisors (see below), whose sum is σ = 2071842528. Its totient is φ = 394636656.

The previous prime is 986591659. The next prime is 986591689. The reversal of 986591660 is 66195689.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 986591599 and 986591608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24664772 + ... + 24664811.

It is an arithmetic number, because the mean of its divisors is an integer number (172653544).

Almost surely, 2^986591660 is an apocalyptic number.

It is an amenable number.

986591660 is an abundant number, since it is smaller than the sum of its proper divisors (1085250868).

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

986591660 is a wasteful number, since it uses less digits than its factorization.

986591660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49329592 (or 49329590 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 986591660 is about 31410.0566697992. The cubic root of 986591660 is about 995.5104272340.

The spelling of 986591660 in words is "nine hundred eighty-six million, five hundred ninety-one thousand, six hundred sixty".