268187136054 has 8 divisors (see below), whose sum is σ = 536374272120. Its totient is φ = 89395712016.

The previous prime is 268187136043. The next prime is 268187136059. The reversal of 268187136054 is 450631781862.

It is a sphenic number, since it is the product of 3 distinct primes.

268187136054 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 268187135988 and 268187136006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268187136059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22348927999 + ... + 22348928010.

It is an arithmetic number, because the mean of its divisors is an integer number (67046784015).

Almost surely, 2^268187136054 is an apocalyptic number.

268187136054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

268187136054 is a wasteful number, since it uses less digits than its factorization.

268187136054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44697856014.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 268187136054 in words is "two hundred sixty-eight billion, one hundred eighty-seven million, one hundred thirty-six thousand, fifty-four".