8981455516 has 12 divisors (see below), whose sum is σ = 17146415160. Its totient is φ = 4082479760.

The previous prime is 8981455493. The next prime is 8981455519. The reversal of 8981455516 is 6155541898.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8981455519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102061951 + ... + 102062038.

It is an arithmetic number, because the mean of its divisors is an integer number (1428867930).

Almost surely, 2^8981455516 is an apocalyptic number.

It is an amenable number.

8981455516 is a deficient number, since it is larger than the sum of its proper divisors (8164959644).

8981455516 is a wasteful number, since it uses less digits than its factorization.

8981455516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204124004 (or 204124002 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 52.

The square root of 8981455516 is about 94770.5413934098. The cubic root of 8981455516 is about 2078.6541709968.

The spelling of 8981455516 in words is "eight billion, nine hundred eighty-one million, four hundred fifty-five thousand, five hundred sixteen".