268155063195 has 16 divisors (see below), whose sum is σ = 439512689952. Its totient is φ = 139527837440.

The previous prime is 268155063179. The next prime is 268155063203. The reversal of 268155063195 is 591360551862.

It is not a de Polignac number, because 268155063195 - 2⁴ = 268155063179 is a prime.

It is a super-2 number, since 2×268155063195² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 218011632 + ... + 218012861.

It is an arithmetic number, because the mean of its divisors is an integer number (27469543122).

Almost surely, 2^268155063195 is an apocalyptic number.

268155063195 is a deficient number, since it is larger than the sum of its proper divisors (171357626757).

268155063195 is a wasteful number, since it uses less digits than its factorization.

268155063195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436024542.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 268155063195 in words is "two hundred sixty-eight billion, one hundred fifty-five million, sixty-three thousand, one hundred ninety-five".