258693193155 has 32 divisors (see below), whose sum is σ = 414514552320. Its totient is φ = 137768037120.

The previous prime is 258693193139. The next prime is 258693193181. The reversal of 258693193155 is 551391396852.

It is not a de Polignac number, because 258693193155 - 2⁴ = 258693193139 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 258693193095 and 258693193104.

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, 55144360 + ... + 55149050.

It is an arithmetic number, because the mean of its divisors is an integer number (12953579760).

Almost surely, 2^258693193155 is an apocalyptic number.

258693193155 is a deficient number, since it is larger than the sum of its proper divisors (155821359165).

258693193155 is a wasteful number, since it uses less digits than its factorization.

258693193155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291.

The product of its digits is 8748000, while the sum is 57.

The spelling of 258693193155 in words is "two hundred fifty-eight billion, six hundred ninety-three million, one hundred ninety-three thousand, one hundred fifty-five".