268716156 has 24 divisors (see below), whose sum is σ = 633215184. Its totient is φ = 88684800.

The previous prime is 268716137. The next prime is 268716191. The reversal of 268716156 is 651617862.

It is a congruent number.

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, 109645 + ... + 112068.

It is an arithmetic number, because the mean of its divisors is an integer number (26383966).

Almost surely, 2^268716156 is an apocalyptic number.

It is an amenable number.

268716156 is an abundant number, since it is smaller than the sum of its proper divisors (364499028).

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

268716156 is a wasteful number, since it uses less digits than its factorization.

268716156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221821 (or 221819 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 268716156 is about 16392.5640459325. The cubic root of 268716156 is about 645.3043500869.

The spelling of 268716156 in words is "two hundred sixty-eight million, seven hundred sixteen thousand, one hundred fifty-six".