216464315601 has 8 divisors (see below), whose sum is σ = 288687546144. Its totient is φ = 144275314400.

The previous prime is 216464315531. The next prime is 216464315603. The reversal of 216464315601 is 106513464612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216464315601 - 2¹¹ = 216464313553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216464315601.

It is not an unprimeable number, because it can be changed into a prime (216464315603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8542575 + ... + 8567876.

It is an arithmetic number, because the mean of its divisors is an integer number (36085943268).

Almost surely, 2^216464315601 is an apocalyptic number.

It is an amenable number.

216464315601 is a deficient number, since it is larger than the sum of its proper divisors (72223230543).

216464315601 is a wasteful number, since it uses less digits than its factorization.

216464315601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17114671.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 216464315601 in words is "two hundred sixteen billion, four hundred sixty-four million, three hundred fifteen thousand, six hundred one".