216216323462 has 16 divisors (see below), whose sum is σ = 342125259840. Its totient is φ = 102198939048.

The previous prime is 216216323423. The next prime is 216216323509. The reversal of 216216323462 is 264323612612.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 6074228 + ... + 6109719.

It is an arithmetic number, because the mean of its divisors is an integer number (21382828740).

Almost surely, 2^216216323462 is an apocalyptic number.

216216323462 is a deficient number, since it is larger than the sum of its proper divisors (125908936378).

216216323462 is a wasteful number, since it uses less digits than its factorization.

216216323462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12184435.

The product of its digits is 124416, while the sum is 38.

The spelling of 216216323462 in words is "two hundred sixteen billion, two hundred sixteen million, three hundred twenty-three thousand, four hundred sixty-two".