860321660352 has 224 divisors, whose sum is σ = 2876823734784. Its totient is φ = 220398796800.

The previous prime is 860321660323. The next prime is 860321660377. The reversal of 860321660352 is 253066123068.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 680652 + ... + 1477812.

Almost surely, 2^860321660352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860321660352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438411867392).

860321660352 is an abundant number, since it is smaller than the sum of its proper divisors (2016502074432).

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

860321660352 is a wasteful number, since it uses less digits than its factorization.

860321660352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797267 (or 797257 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 860321660352 in words is "eight hundred sixty billion, three hundred twenty-one million, six hundred sixty thousand, three hundred fifty-two".