216450196845 has 16 divisors (see below), whose sum is σ = 346656246912. Its totient is φ = 115328127680.

The previous prime is 216450196843. The next prime is 216450196847. The reversal of 216450196845 is 548691054612.

It is an interprime number because it is at equal distance from previous prime (216450196843) and next prime (216450196847).

It is not a de Polignac number, because 216450196845 - 2¹ = 216450196843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216450196843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6982602 + ... + 7013531.

It is an arithmetic number, because the mean of its divisors is an integer number (21666015432).

Almost surely, 2^216450196845 is an apocalyptic number.

It is an amenable number.

216450196845 is a deficient number, since it is larger than the sum of its proper divisors (130206050067).

216450196845 is a wasteful number, since it uses less digits than its factorization.

216450196845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13997172.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 216450196845 in words is "two hundred sixteen billion, four hundred fifty million, one hundred ninety-six thousand, eight hundred forty-five".