21602158341120 has 704 divisors, whose sum is σ = 87840392371200. Its totient is φ = 4931836968960.

The previous prime is 21602158341103. The next prime is 21602158341143. The reversal of 21602158341120 is 2114385120612.

21602158341120 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 21 + 583 + 41 + 12 + 0 = 666.

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

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, 852513411 + ... + 852538749.

Almost surely, 2^{21602158341120} is an apocalyptic number.

21602158341120 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 21602158341120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43920196185600).

21602158341120 is an abundant number, since it is smaller than the sum of its proper divisors (66238234030080).

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

21602158341120 is a wasteful number, since it uses less digits than its factorization.

21602158341120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26261 (or 26237 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 21602158341120 in words is "twenty-one trillion, six hundred two billion, one hundred fifty-eight million, three hundred forty-one thousand, one hundred twenty".