258416016 has 40 divisors (see below), whose sum is σ = 669257760. Its totient is φ = 85921536.

The previous prime is 258416009. The next prime is 258416057. The reversal of 258416016 is 610614852.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13051 + ... + 26213.

It is an arithmetic number, because the mean of its divisors is an integer number (16731444).

Almost surely, 2^258416016 is an apocalyptic number.

It is an amenable number.

258416016 is an abundant number, since it is smaller than the sum of its proper divisors (410841744).

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

258416016 is a wasteful number, since it uses less digits than its factorization.

258416016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13583 (or 13577 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 258416016 is about 16075.3232004834. The cubic root of 258416016 is about 636.9516625921.

The spelling of 258416016 in words is "two hundred fifty-eight million, four hundred sixteen thousand, sixteen".