858450664132 has 12 divisors (see below), whose sum is σ = 1502441418240. Its totient is φ = 429181687496.

The previous prime is 858450664129. The next prime is 858450664153. The reversal of 858450664132 is 231466054858.

It is a self number, because there is not a number n which added to its sum of digits gives 858450664132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10866868 + ... + 10945579.

It is an arithmetic number, because the mean of its divisors is an integer number (125203451520).

Almost surely, 2^858450664132 is an apocalyptic number.

It is an amenable number.

858450664132 is a deficient number, since it is larger than the sum of its proper divisors (643990754108).

858450664132 is a wasteful number, since it uses less digits than its factorization.

858450664132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21822290 (or 21822288 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 858450664132 in words is "eight hundred fifty-eight billion, four hundred fifty million, six hundred sixty-four thousand, one hundred thirty-two".