268711186990 has 32 divisors (see below), whose sum is σ = 495517176000. Its totient is φ = 104854444800.

The previous prime is 268711186951. The next prime is 268711186993. The reversal of 268711186990 is 99681117862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268711186993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8126511 + ... + 8159509.

It is an arithmetic number, because the mean of its divisors is an integer number (15484911750).

Almost surely, 2^268711186990 is an apocalyptic number.

268711186990 is a deficient number, since it is larger than the sum of its proper divisors (226805989010).

268711186990 is a wasteful number, since it uses less digits than its factorization.

268711186990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52908.

The product of its (nonzero) digits is 2612736, while the sum is 58.

The spelling of 268711186990 in words is "two hundred sixty-eight billion, seven hundred eleven million, one hundred eighty-six thousand, nine hundred ninety".