268156216 has 8 divisors (see below), whose sum is σ = 502792920. Its totient is φ = 134078104.

The previous prime is 268156201. The next prime is 268156223. The reversal of 268156216 is 612651862.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16759756 + ... + 16759771.

It is an arithmetic number, because the mean of its divisors is an integer number (62849115).

Almost surely, 2^268156216 is an apocalyptic number.

It is an amenable number.

268156216 is a deficient number, since it is larger than the sum of its proper divisors (234636704).

268156216 is a wasteful number, since it uses less digits than its factorization.

268156216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33519533 (or 33519529 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 268156216 is about 16375.4760541488. The cubic root of 268156216 is about 644.8558185828.

The spelling of 268156216 in words is "two hundred sixty-eight million, one hundred fifty-six thousand, two hundred sixteen".