258471516 has 72 divisors (see below), whose sum is σ = 663953920. Its totient is φ = 78037344.

The previous prime is 258471511. The next prime is 258471527. The reversal of 258471516 is 615174852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258471511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119541 + ... + 121683.

Almost surely, 2^258471516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258471516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331976960).

258471516 is an abundant number, since it is smaller than the sum of its proper divisors (405482404).

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

258471516 is a wasteful number, since it uses less digits than its factorization.

258471516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2190 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 258471516 is about 16077.0493561474. The cubic root of 258471516 is about 636.9972586912.

The spelling of 258471516 in words is "two hundred fifty-eight million, four hundred seventy-one thousand, five hundred sixteen".