258070660 has 24 divisors (see below), whose sum is σ = 559431936. Its totient is φ = 99898080.

The previous prime is 258070633. The next prime is 258070669. The reversal of 258070660 is 66070852.

It is not an unprimeable number, because it can be changed into a prime (258070669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207502 + ... + 208741.

It is an arithmetic number, because the mean of its divisors is an integer number (23309664).

Almost surely, 2^258070660 is an apocalyptic number.

258070660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258070660 is an abundant number, since it is smaller than the sum of its proper divisors (301361276).

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

258070660 is a wasteful number, since it uses less digits than its factorization.

258070660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416283 (or 416281 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 258070660 is about 16064.5778033536. The cubic root of 258070660 is about 636.6677881008.

The spelling of 258070660 in words is "two hundred fifty-eight million, seventy thousand, six hundred sixty".