268137156036026 has 32 divisors (see below), whose sum is σ = 406139075371008. Its totient is φ = 132763852690560.

The previous prime is 268137156035981. The next prime is 268137156036083. The reversal of 268137156036026 is 620630651731862.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4544899160 + ... + 4544958156.

It is an arithmetic number, because the mean of its divisors is an integer number (12691846105344).

Almost surely, 2^{268137156036026} is an apocalyptic number.

268137156036026 is a deficient number, since it is larger than the sum of its proper divisors (138001919334982).

268137156036026 is a wasteful number, since it uses less digits than its factorization.

268137156036026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112766.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 268137156036026 in words is "two hundred sixty-eight trillion, one hundred thirty-seven billion, one hundred fifty-six million, thirty-six thousand, twenty-six".