258061840207 has 16 divisors (see below), whose sum is σ = 269718160320. Its totient is φ = 246442217472.

The previous prime is 258061840189. The next prime is 258061840213. The reversal of 258061840207 is 702048160852.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258061840207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258061840277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66354919 + ... + 66358807.

It is an arithmetic number, because the mean of its divisors is an integer number (16857385020).

Almost surely, 2^258061840207 is an apocalyptic number.

258061840207 is a deficient number, since it is larger than the sum of its proper divisors (11656320113).

258061840207 is a wasteful number, since it uses less digits than its factorization.

258061840207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7842.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 258061840207 in words is "two hundred fifty-eight billion, sixty-one million, eight hundred forty thousand, two hundred seven".