216526882950 has 144 divisors (see below), whose sum is σ = 666010515456. Its totient is φ = 49404772800.

The previous prime is 216526882879. The next prime is 216526882961. The reversal of 216526882950 is 59288625612.

216526882950 is a `hidden beast` number, since 2 + 16 + 526 + 88 + 29 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1738459 + ... + 1858841.

It is an arithmetic number, because the mean of its divisors is an integer number (4625073024).

Almost surely, 2^216526882950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216526882950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333005257728).

216526882950 is an abundant number, since it is smaller than the sum of its proper divisors (449483632506).

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

216526882950 is a wasteful number, since it uses less digits than its factorization.

216526882950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120979 (or 120971 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 216526882950 in words is "two hundred sixteen billion, five hundred twenty-six million, eight hundred eighty-two thousand, nine hundred fifty".