216137770363 has 4 divisors (see below), whose sum is σ = 216144284800. Its totient is φ = 216131255928.

The previous prime is 216137770339. The next prime is 216137770369. The reversal of 216137770363 is 363077731612.

216137770363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216137770363 - 2¹³ = 216137762171 is a prime.

It is a super-3 number, since 3×216137770363³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216137770369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207195 + ... + 3273892.

It is an arithmetic number, because the mean of its divisors is an integer number (54036071200).

Almost surely, 2^216137770363 is an apocalyptic number.

216137770363 is a deficient number, since it is larger than the sum of its proper divisors (6514437).

216137770363 is an equidigital number, since it uses as much as digits as its factorization.

216137770363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514436.

The product of its (nonzero) digits is 666792, while the sum is 46.

The spelling of 216137770363 in words is "two hundred sixteen billion, one hundred thirty-seven million, seven hundred seventy thousand, three hundred sixty-three".