268955554676136 has 32 divisors (see below), whose sum is σ = 680489957619360. Its totient is φ = 88571708768192.

The previous prime is 268955554676129. The next prime is 268955554676143. The reversal of 268955554676136 is 631676455559862.

It is an interprime number because it is at equal distance from previous prime (268955554676129) and next prime (268955554676143).

It is a super-2 number, since 2×268955554676136² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67508922375 + ... + 67508926358.

It is an arithmetic number, because the mean of its divisors is an integer number (21265311175605).

Almost surely, 2^{268955554676136} is an apocalyptic number.

It is an amenable number.

268955554676136 is an abundant number, since it is smaller than the sum of its proper divisors (411534402943224).

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

268955554676136 is a wasteful number, since it uses less digits than its factorization.

268955554676136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135017848825 (or 135017848821 counting only the distinct ones).

The product of its digits is 9797760000, while the sum is 78.

The spelling of 268955554676136 in words is "two hundred sixty-eight trillion, nine hundred fifty-five billion, five hundred fifty-four million, six hundred seventy-six thousand, one hundred thirty-six".