258161682 has 32 divisors (see below), whose sum is σ = 524558592. Its totient is φ = 84692304.

The previous prime is 258161681. The next prime is 258161689. The reversal of 258161682 is 286161852.

258161682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 258161682.

It is not an unprimeable number, because it can be changed into a prime (258161681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103413 + ... + 105879.

It is an arithmetic number, because the mean of its divisors is an integer number (16392456).

Almost surely, 2^258161682 is an apocalyptic number.

258161682 is an abundant number, since it is smaller than the sum of its proper divisors (266396910).

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

258161682 is a wasteful number, since it uses less digits than its factorization.

258161682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its digits is 46080, while the sum is 39.

The square root of 258161682 is about 16067.4105567761. The cubic root of 258161682 is about 636.7426306054.

The spelling of 258161682 in words is "two hundred fifty-eight million, one hundred sixty-one thousand, six hundred eighty-two".