863668145430 has 128 divisors (see below), whose sum is σ = 2347132723200. Its totient is φ = 225946910592.

The previous prime is 863668145393. The next prime is 863668145443. The reversal of 863668145430 is 34541866368.

863668145430 is a `hidden beast` number, since 8 + 6 + 3 + 6 + 68 + 145 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3219859 + ... + 3477761.

It is an arithmetic number, because the mean of its divisors is an integer number (18336974400).

Almost surely, 2^863668145430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863668145430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173566361600).

863668145430 is an abundant number, since it is smaller than the sum of its proper divisors (1483464577770).

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

863668145430 is a wasteful number, since it uses less digits than its factorization.

863668145430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258155 (or 258149 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 863668145430 in words is "eight hundred sixty-three billion, six hundred sixty-eight million, one hundred forty-five thousand, four hundred thirty".