215836423456992 has 192 divisors, whose sum is σ = 616470513684480. Its totient is φ = 65724407230464.

The previous prime is 215836423456981. The next prime is 215836423456999. The reversal of 215836423456992 is 299654324638512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215836423456999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200892684 + ... + 201964212.

It is an arithmetic number, because the mean of its divisors is an integer number (3210783925440).

Almost surely, 2^{215836423456992} 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 215836423456992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308235256842240).

215836423456992 is an abundant number, since it is smaller than the sum of its proper divisors (400634090227488).

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

215836423456992 is a wasteful number, since it uses less digits than its factorization.

215836423456992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073225 (or 1073217 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 69.

The spelling of 215836423456992 in words is "two hundred fifteen trillion, eight hundred thirty-six billion, four hundred twenty-three million, four hundred fifty-six thousand, nine hundred ninety-two".