216360477359 has 6 divisors (see below), whose sum is σ = 234283830696. Its totient is φ = 199717363560.

The previous prime is 216360477349. The next prime is 216360477379. The reversal of 216360477359 is 953774063612.

It is not a de Polignac number, because 216360477359 - 2²⁴ = 216343700143 is a prime.

It is a super-2 number, since 2×216360477359² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216360477359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216360477329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 640119587 + ... + 640119924.

It is an arithmetic number, because the mean of its divisors is an integer number (39047305116).

Almost surely, 2^216360477359 is an apocalyptic number.

216360477359 is a deficient number, since it is larger than the sum of its proper divisors (17923353337).

216360477359 is a wasteful number, since it uses less digits than its factorization.

216360477359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280239537 (or 1280239524 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 216360477359 in words is "two hundred sixteen billion, three hundred sixty million, four hundred seventy-seven thousand, three hundred fifty-nine".