2158678752160 has 384 divisors, whose sum is σ = 6172223016960. Its totient is φ = 697477423104.

The previous prime is 2158678752133. The next prime is 2158678752161. The reversal of 2158678752160 is 612578768512.

It is a junction number, because it is equal to n+sod(n) for n = 2158678752095 and 2158678752104.

It is not an unprimeable number, because it can be changed into a prime (2158678752161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 703838947 + ... + 703842013.

It is an arithmetic number, because the mean of its divisors is an integer number (16073497440).

Almost surely, 2^{2158678752160} is an apocalyptic number.

2158678752160 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 2158678752160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3086111508480).

2158678752160 is an abundant number, since it is smaller than the sum of its proper divisors (4013544264800).

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

2158678752160 is a wasteful number, since it uses less digits than its factorization.

2158678752160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 2158678752160 in words is "two trillion, one hundred fifty-eight billion, six hundred seventy-eight million, seven hundred fifty-two thousand, one hundred sixty".