216265273345 has 8 divisors (see below), whose sum is σ = 283110903360. Its totient is φ = 157283835120.

The previous prime is 216265273331. The next prime is 216265273361. The reversal of 216265273345 is 543372562612.

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

It is not a de Polignac number, because 216265273345 - 2⁹ = 216265272833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216265273295 and 216265273304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966047885 + ... + 1966047994.

It is an arithmetic number, because the mean of its divisors is an integer number (35388862920).

Almost surely, 2^216265273345 is an apocalyptic number.

It is an amenable number.

216265273345 is a deficient number, since it is larger than the sum of its proper divisors (66845630015).

216265273345 is a wasteful number, since it uses less digits than its factorization.

216265273345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932095895.

The product of its digits is 1814400, while the sum is 46.

The spelling of 216265273345 in words is "two hundred sixteen billion, two hundred sixty-five million, two hundred seventy-three thousand, three hundred forty-five".