216970228706 has 48 divisors (see below), whose sum is σ = 409249716288. Its totient is φ = 84448409760.

The previous prime is 216970228681. The next prime is 216970228751. The reversal of 216970228706 is 607822079612.

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, 1624685 + ... + 1753151.

It is an arithmetic number, because the mean of its divisors is an integer number (8526035756).

Almost surely, 2^216970228706 is an apocalyptic number.

216970228706 is a deficient number, since it is larger than the sum of its proper divisors (192279487582).

216970228706 is a wasteful number, since it uses less digits than its factorization.

216970228706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129495 (or 129484 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 216970228706 in words is "two hundred sixteen billion, nine hundred seventy million, two hundred twenty-eight thousand, seven hundred six".