268220537 has 8 divisors (see below), whose sum is σ = 290584896. Its totient is φ = 246103632.

The previous prime is 268220521. The next prime is 268220569. The reversal of 268220537 is 735022862.

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

It is a cyclic number.

It is not a de Polignac number, because 268220537 - 2⁴ = 268220521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268220497 and 268220506.

It is not an unprimeable number, because it can be changed into a prime (268220597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59603 + ... + 63944.

It is an arithmetic number, because the mean of its divisors is an integer number (36323112).

Almost surely, 2^268220537 is an apocalyptic number.

It is an amenable number.

268220537 is a deficient number, since it is larger than the sum of its proper divisors (22364359).

268220537 is a wasteful number, since it uses less digits than its factorization.

268220537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123727.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 268220537 is about 16377.4398792974. The cubic root of 268220537 is about 644.9073736748.

The spelling of 268220537 in words is "two hundred sixty-eight million, two hundred twenty thousand, five hundred thirty-seven".