981169748676 has 144 divisors (see below), whose sum is σ = 2748356170560. Its totient is φ = 293229054720.

The previous prime is 981169748627. The next prime is 981169748687. The reversal of 981169748676 is 676847961189.

981169748676 is a `hidden beast` number, since 9 + 8 + 11 + 69 + 7 + 486 + 76 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3466006 + ... + 3738386.

It is an arithmetic number, because the mean of its divisors is an integer number (19085806740).

Almost surely, 2^981169748676 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 981169748676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374178085280).

981169748676 is an abundant number, since it is smaller than the sum of its proper divisors (1767186421884).

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

981169748676 is a wasteful number, since it uses less digits than its factorization.

981169748676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272626 (or 272621 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 72.

The spelling of 981169748676 in words is "nine hundred eighty-one billion, one hundred sixty-nine million, seven hundred forty-eight thousand, six hundred seventy-six".