866545270117674 has 32 divisors (see below), whose sum is σ = 1983355112808960. Its totient is φ = 247249336680432.

The previous prime is 866545270117669. The next prime is 866545270117697. The reversal of 866545270117674 is 476711072545668.

It is a junction number, because it is equal to n+sod(n) for n = 866545270117599 and 866545270117608.

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, 13959394024 + ... + 13959456099.

It is an arithmetic number, because the mean of its divisors is an integer number (61979847275280).

Almost surely, 2^{866545270117674} is an apocalyptic number.

866545270117674 is an abundant number, since it is smaller than the sum of its proper divisors (1116809842691286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

866545270117674 is a wasteful number, since it uses less digits than its factorization.

866545270117674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27918850874.

The product of its (nonzero) digits is 474163200, while the sum is 69.

The spelling of 866545270117674 in words is "eight hundred sixty-six trillion, five hundred forty-five billion, two hundred seventy million, one hundred seventeen thousand, six hundred seventy-four".