866968269681290 has 32 divisors (see below), whose sum is σ = 1783496358040320. Its totient is φ = 297243134774784.

The previous prime is 866968269681289. The next prime is 866968269681299. The reversal of 866968269681290 is 92186962869668.

It is not an unprimeable number, because it can be changed into a prime (866968269681299) 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, 58487975 + ... + 71796794.

It is an arithmetic number, because the mean of its divisors is an integer number (55734261188760).

Almost surely, 2^{866968269681290} is an apocalyptic number.

866968269681290 is an abundant number, since it is smaller than the sum of its proper divisors (916528088359030).

866968269681290 is a wasteful number, since it uses less digits than its factorization.

866968269681290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130379846.

The product of its (nonzero) digits is 11609505792, while the sum is 86.

The spelling of 866968269681290 in words is "eight hundred sixty-six trillion, nine hundred sixty-eight billion, two hundred sixty-nine million, six hundred eighty-one thousand, two hundred ninety".