268061091 has 8 divisors (see below), whose sum is σ = 357667584. Its totient is φ = 178581000.

The previous prime is 268061081. The next prime is 268061093. The reversal of 268061091 is 190160862.

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

It is not a de Polignac number, because 268061091 - 2⁷ = 268060963 is a prime.

It is a super-2 number, since 2×268061091² = 143713497016220562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268061093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26535 + ... + 35216.

It is an arithmetic number, because the mean of its divisors is an integer number (44708448).

Almost surely, 2^268061091 is an apocalyptic number.

268061091 is a deficient number, since it is larger than the sum of its proper divisors (89606493).

268061091 is a wasteful number, since it uses less digits than its factorization.

268061091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63201.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 268061091 is about 16372.5713008067. The cubic root of 268061091 is about 644.7795581036.

The spelling of 268061091 in words is "two hundred sixty-eight million, sixty-one thousand, ninety-one".