981163204 has 24 divisors (see below), whose sum is σ = 1969325568. Its totient is φ = 418998720.

The previous prime is 981163201. The next prime is 981163217. The reversal of 981163204 is 402361189.

It is a self number, because there is not a number n which added to its sum of digits gives 981163204.

It is not an unprimeable number, because it can be changed into a prime (981163201) 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 7 ways as a sum of consecutive naturals, for example, 54484 + ... + 70219.

It is an arithmetic number, because the mean of its divisors is an integer number (82055232).

Almost surely, 2^981163204 is an apocalyptic number.

It is an amenable number.

981163204 is an abundant number, since it is smaller than the sum of its proper divisors (988162364).

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

981163204 is a wasteful number, since it uses less digits than its factorization.

981163204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124995 (or 124993 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 981163204 is about 31323.5247697318. The cubic root of 981163204 is about 993.6812251812.

The spelling of 981163204 in words is "nine hundred eighty-one million, one hundred sixty-three thousand, two hundred four".