866130647115524 has 48 divisors (see below), whose sum is σ = 1834351701611520. Its totient is φ = 349556306332320.

The previous prime is 866130647115521. The next prime is 866130647115577. The reversal of 866130647115524 is 425511746031668.

It is a happy number.

It is a super-3 number, since 3×866130647115524³ (a number of 46 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (866130647115521) 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, 4874357642 + ... + 4874535329.

It is an arithmetic number, because the mean of its divisors is an integer number (38215660450240).

Almost surely, 2^{866130647115524} is an apocalyptic number.

It is an amenable number.

866130647115524 is an abundant number, since it is smaller than the sum of its proper divisors (968221054495996).

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

866130647115524 is a wasteful number, since it uses less digits than its factorization.

866130647115524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748893168 (or 9748893166 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 866130647115524 in words is "eight hundred sixty-six trillion, one hundred thirty billion, six hundred forty-seven million, one hundred fifteen thousand, five hundred twenty-four".