2321151356160 has 1728 divisors, whose sum is σ = 10240636224000. Its totient is φ = 482248359936.

The previous prime is 2321151356159. The next prime is 2321151356189. The reversal of 2321151356160 is 616531511232.

2321151356160 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 1 + 5 + 1 + 35 + 616 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3749840331 + ... + 3749840949.

Almost surely, 2^{2321151356160} is an apocalyptic number.

2321151356160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321151356160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5120318112000).

2321151356160 is an abundant number, since it is smaller than the sum of its proper divisors (7919484867840).

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

2321151356160 is a wasteful number, since it uses less digits than its factorization.

2321151356160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 2321151356160 its reverse (616531511232), we get a palindrome (2937682867392).

The spelling of 2321151356160 in words is "two trillion, three hundred twenty-one billion, one hundred fifty-one million, three hundred fifty-six thousand, one hundred sixty".