216278079203 has 8 divisors (see below), whose sum is σ = 217112548800. Its totient is φ = 215443877760.

The previous prime is 216278079197. The next prime is 216278079209. The reversal of 216278079203 is 302970872612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (216278079197) and next prime (216278079209).

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 216278079203 - 2⁴ = 216278079187 is a prime.

It is a super-2 number, since 2×216278079203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216278079209) 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, 1631873 + ... + 1759421.

It is an arithmetic number, because the mean of its divisors is an integer number (27139068600).

Almost surely, 2^216278079203 is an apocalyptic number.

216278079203 is a deficient number, since it is larger than the sum of its proper divisors (834469597).

216278079203 is a wasteful number, since it uses less digits than its factorization.

216278079203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134077.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 216278079203 in words is "two hundred sixteen billion, two hundred seventy-eight million, seventy-nine thousand, two hundred three".