259391016 has 48 divisors (see below), whose sum is σ = 721511700. Its totient is φ = 84125952.

The previous prime is 259391009. The next prime is 259391017. The reversal of 259391016 is 610193952.

259391016 is a `hidden beast` number, since 259 + 391 + 0 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 175668516 + 83722500 = 13254^2 + 9150^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (259391017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46021 + ... + 51348.

Almost surely, 2^259391016 is an apocalyptic number.

It is an amenable number.

259391016 is an abundant number, since it is smaller than the sum of its proper divisors (462120684).

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

259391016 is a wasteful number, since it uses less digits than its factorization.

259391016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97418 (or 97411 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 259391016 is about 16105.6206338036. The cubic root of 259391016 is about 637.7517271167.

The spelling of 259391016 in words is "two hundred fifty-nine million, three hundred ninety-one thousand, sixteen".