216125164268 has 24 divisors (see below), whose sum is σ = 407329802880. Its totient is φ = 99745914240.

The previous prime is 216125164237. The next prime is 216125164289. The reversal of 216125164268 is 862461521612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421573 + ... + 1566243.

It is an arithmetic number, because the mean of its divisors is an integer number (16972075120).

Almost surely, 2^216125164268 is an apocalyptic number.

It is an amenable number.

216125164268 is a deficient number, since it is larger than the sum of its proper divisors (191204638612).

216125164268 is a wasteful number, since it uses less digits than its factorization.

216125164268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173417 (or 173415 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The spelling of 216125164268 in words is "two hundred sixteen billion, one hundred twenty-five million, one hundred sixty-four thousand, two hundred sixty-eight".