981016959 has 16 divisors (see below), whose sum is σ = 1457215200. Its totient is φ = 582884736.

The previous prime is 981016937. The next prime is 981016991. The reversal of 981016959 is 959610189.

It is not a de Polignac number, because 981016959 - 2⁷ = 981016831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981017959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432564 + ... + 434825.

It is an arithmetic number, because the mean of its divisors is an integer number (91075950).

Almost surely, 2^981016959 is an apocalyptic number.

981016959 is a deficient number, since it is larger than the sum of its proper divisors (476198241).

981016959 is a wasteful number, since it uses less digits than its factorization.

981016959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867434.

The product of its (nonzero) digits is 174960, while the sum is 48.

The square root of 981016959 is about 31321.1902551611. The cubic root of 981016959 is about 993.6318524465.

The spelling of 981016959 in words is "nine hundred eighty-one million, sixteen thousand, nine hundred fifty-nine".