216134303450 has 48 divisors (see below), whose sum is σ = 443001916896. Its totient is φ = 77947531200.

The previous prime is 216134303419. The next prime is 216134303471. The reversal of 216134303450 is 54303431612.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3838496 + ... + 3894395.

It is an arithmetic number, because the mean of its divisors is an integer number (9229206602).

Almost surely, 2^216134303450 is an apocalyptic number.

216134303450 is an abundant number, since it is smaller than the sum of its proper divisors (226867613446).

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

216134303450 is a wasteful number, since it uses less digits than its factorization.

216134303450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732959 (or 7732954 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 216134303450 in words is "two hundred sixteen billion, one hundred thirty-four million, three hundred three thousand, four hundred fifty".