258066588 has 96 divisors (see below), whose sum is σ = 691488000. Its totient is φ = 74248704.

The previous prime is 258066553. The next prime is 258066617. The reversal of 258066588 is 885660852.

258066588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245488 + ... + 246536.

It is an arithmetic number, because the mean of its divisors is an integer number (7203000).

Almost surely, 2^258066588 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 258066588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345744000).

258066588 is an abundant number, since it is smaller than the sum of its proper divisors (433421412).

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

258066588 is a wasteful number, since it uses less digits than its factorization.

258066588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The square root of 258066588 is about 16064.4510643844. The cubic root of 258066588 is about 636.6644395026.

The spelling of 258066588 in words is "two hundred fifty-eight million, sixty-six thousand, five hundred eighty-eight".