864142354516 has 24 divisors (see below), whose sum is σ = 1741893257216. Its totient is φ = 367430605920.

The previous prime is 864142354487. The next prime is 864142354547. The reversal of 864142354516 is 615453241468.

It is a self number, because there is not a number n which added to its sum of digits gives 864142354516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121501275 + ... + 121508386.

Almost surely, 2^864142354516 is an apocalyptic number.

It is an amenable number.

864142354516 is an abundant number, since it is smaller than the sum of its proper divisors (877750902700).

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

864142354516 is a wasteful number, since it uses less digits than its factorization.

864142354516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243009799 (or 243009797 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 49.

The spelling of 864142354516 in words is "eight hundred sixty-four billion, one hundred forty-two million, three hundred fifty-four thousand, five hundred sixteen".