213170518368 has 192 divisors, whose sum is σ = 643023360000. Its totient is φ = 68663642112.

The previous prime is 213170518343. The next prime is 213170518391. The reversal of 213170518368 is 863815071312.

It is a happy number.

213170518368 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 70 + 518 + 3 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3174808 + ... + 3241256.

It is an arithmetic number, because the mean of its divisors is an integer number (3349080000).

Almost surely, 2^213170518368 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 213170518368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321511680000).

213170518368 is an abundant number, since it is smaller than the sum of its proper divisors (429852841632).

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

213170518368 is a wasteful number, since it uses less digits than its factorization.

213170518368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66594 (or 66580 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 213170518368 in words is "two hundred thirteen billion, one hundred seventy million, five hundred eighteen thousand, three hundred sixty-eight".