2161367136000 has 1728 divisors, whose sum is σ = 8420955903360. Its totient is φ = 531372441600.

The previous prime is 2161367135999. The next prime is 2161367136011. The reversal of 2161367136000 is 6317631612.

2161367136000 is a `hidden beast` number, since 2 + 1 + 6 + 1 + 36 + 7 + 13 + 600 + 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, 24285023956 + ... + 24285024044.

It is an arithmetic number, because the mean of its divisors is an integer number (4873238370).

Almost surely, 2^{2161367136000} is an apocalyptic number.

2161367136000 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 2161367136000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4210477951680).

2161367136000 is an abundant number, since it is smaller than the sum of its proper divisors (6259588767360).

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

2161367136000 is a wasteful number, since it uses less digits than its factorization.

2161367136000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 2161367136000 in words is "two trillion, one hundred sixty-one billion, three hundred sixty-seven million, one hundred thirty-six thousand".