216304626063623 has 8 divisors (see below), whose sum is σ = 220571511743088. Its totient is φ = 212044616914624.

The previous prime is 216304626063599. The next prime is 216304626063653. The reversal of 216304626063623 is 326360626403612.

It is a happy number.

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 216304626063623 - 2¹⁰ = 216304626062599 is a prime.

It is a super-2 number, since 2×216304626063623² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216304626063653) 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, 1719069086 + ... + 1719194907.

It is an arithmetic number, because the mean of its divisors is an integer number (27571438967886).

Almost surely, 2^{216304626063623} is an apocalyptic number.

216304626063623 is a deficient number, since it is larger than the sum of its proper divisors (4266885679465).

216304626063623 is a wasteful number, since it uses less digits than its factorization.

216304626063623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438265233.

The product of its (nonzero) digits is 6718464, while the sum is 50.

The spelling of 216304626063623 in words is "two hundred sixteen trillion, three hundred four billion, six hundred twenty-six million, sixty-three thousand, six hundred twenty-three".