216398379033 has 16 divisors (see below), whose sum is σ = 321731092800. Its totient is φ = 143752180320.

The previous prime is 216398379019. The next prime is 216398379037. The reversal of 216398379033 is 330973893612.

216398379033 is a `hidden beast` number, since 216 + 398 + 3 + 7 + 9 + 0 + 33 = 666.

It is not a de Polignac number, because 216398379033 - 2⁴ = 216398379017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216398379037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14253543 + ... + 14268716.

It is an arithmetic number, because the mean of its divisors is an integer number (20108193300).

Almost surely, 2^216398379033 is an apocalyptic number.

It is an amenable number.

216398379033 is a deficient number, since it is larger than the sum of its proper divisors (105332713767).

216398379033 is a wasteful number, since it uses less digits than its factorization.

216398379033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28522549 (or 28522543 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 216398379033 in words is "two hundred sixteen billion, three hundred ninety-eight million, three hundred seventy-nine thousand, thirty-three".