866225506145010 has 64 divisors (see below), whose sum is σ = 2268024026232960. Its totient is φ = 209985899540480.

The previous prime is 866225506144937. The next prime is 866225506145023. The reversal of 866225506145010 is 10541605522668.

It is a super-2 number, since 2×866225506145010² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42511215 + ... + 59494994.

It is an arithmetic number, because the mean of its divisors is an integer number (35437875409890).

Almost surely, 2^{866225506145010} is an apocalyptic number.

866225506145010 is an abundant number, since it is smaller than the sum of its proper divisors (1401798520087950).

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

866225506145010 is a wasteful number, since it uses less digits than its factorization.

866225506145010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102031963.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 866225506145010 in words is "eight hundred sixty-six trillion, two hundred twenty-five billion, five hundred six million, one hundred forty-five thousand, ten".