268231558 has 16 divisors (see below), whose sum is σ = 464380704. Its totient is φ = 113817600.

The previous prime is 268231547. The next prime is 268231571. The reversal of 268231558 is 855132862.

It is a self number, because there is not a number n which added to its sum of digits gives 268231558.

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, 93435 + ... + 96262.

It is an arithmetic number, because the mean of its divisors is an integer number (29023794).

Almost surely, 2^268231558 is an apocalyptic number.

268231558 is a deficient number, since it is larger than the sum of its proper divisors (196149146).

268231558 is a wasteful number, since it uses less digits than its factorization.

268231558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189807.

The product of its digits is 115200, while the sum is 40.

The square root of 268231558 is about 16377.7763447911. The cubic root of 268231558 is about 644.9162064894.

The spelling of 268231558 in words is "two hundred sixty-eight million, two hundred thirty-one thousand, five hundred fifty-eight".