268216475 has 6 divisors (see below), whose sum is σ = 332588460. Its totient is φ = 214573160.

The previous prime is 268216427. The next prime is 268216489. The reversal of 268216475 is 574612862.

It is not a de Polignac number, because 268216475 - 2²⁶ = 201107611 is a prime.

It is a super-2 number, since 2×268216475² = 143880154922851250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5364305 + ... + 5364354.

It is an arithmetic number, because the mean of its divisors is an integer number (55431410).

Almost surely, 2^268216475 is an apocalyptic number.

268216475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

268216475 is a deficient number, since it is larger than the sum of its proper divisors (64371985).

268216475 is a wasteful number, since it uses less digits than its factorization.

268216475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10728669 (or 10728664 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 268216475 is about 16377.3158667713. The cubic root of 268216475 is about 644.9041181113.

The spelling of 268216475 in words is "two hundred sixty-eight million, two hundred sixteen thousand, four hundred seventy-five".