866507630714156 has 24 divisors (see below), whose sum is σ = 1516699353415680. Its totient is φ = 433164959978832.

The previous prime is 866507630714027. The next prime is 866507630714171. The reversal of 866507630714156 is 651417036705668.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 866507630714092 and 866507630714101.

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, 3966562925 + ... + 3966781371.

It is an arithmetic number, because the mean of its divisors is an integer number (63195806392320).

Almost surely, 2^{866507630714156} is an apocalyptic number.

It is an amenable number.

866507630714156 is a deficient number, since it is larger than the sum of its proper divisors (650191722701524).

866507630714156 is a wasteful number, since it uses less digits than its factorization.

866507630714156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417293 (or 417291 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 65.

The spelling of 866507630714156 in words is "eight hundred sixty-six trillion, five hundred seven billion, six hundred thirty million, seven hundred fourteen thousand, one hundred fifty-six".