216442920950 has 24 divisors (see below), whose sum is σ = 404910923328. Its totient is φ = 86076718880.

The previous prime is 216442920949. The next prime is 216442920989. The reversal of 216442920950 is 59029244612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12502502 + ... + 12519801.

It is an arithmetic number, because the mean of its divisors is an integer number (16871288472).

Almost surely, 2^216442920950 is an apocalyptic number.

216442920950 is a deficient number, since it is larger than the sum of its proper divisors (188468002378).

216442920950 is a wasteful number, since it uses less digits than its factorization.

216442920950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25022488 (or 25022483 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 216442920950 in words is "two hundred sixteen billion, four hundred forty-two million, nine hundred twenty thousand, nine hundred fifty".