258280164 has 30 divisors (see below), whose sum is σ = 675196214. Its totient is φ = 86093280.

The previous prime is 258280163. The next prime is 258280193. The reversal of 258280164 is 461082852.

258280164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 185177664 + 73102500 = 13608^2 + 8550^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (258280163) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 398257 + ... + 398904.

Almost surely, 2^258280164 is an apocalyptic number.

It is an amenable number.

258280164 is an abundant number, since it is smaller than the sum of its proper divisors (416916050).

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

258280164 is a wasteful number, since it uses less digits than its factorization.

258280164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797177 (or 797166 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 258280164 is about 16071.0971622973. The cubic root of 258280164 is about 636.8400256453.

The spelling of 258280164 in words is "two hundred fifty-eight million, two hundred eighty thousand, one hundred sixty-four".