216450001245 has 16 divisors (see below), whose sum is σ = 346547431872. Its totient is φ = 115364190720.

The previous prime is 216450001217. The next prime is 216450001247. The reversal of 216450001245 is 542100054612.

It is not a de Polignac number, because 216450001245 - 2²⁷ = 216315783517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216450001247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4714516 + ... + 4760205.

It is an arithmetic number, because the mean of its divisors is an integer number (21659214492).

Almost surely, 2^216450001245 is an apocalyptic number.

It is an amenable number.

216450001245 is a deficient number, since it is larger than the sum of its proper divisors (130097430627).

216450001245 is a wasteful number, since it uses less digits than its factorization.

216450001245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476252.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 216450001245 its reverse (542100054612), we get a palindrome (758550055857).

The spelling of 216450001245 in words is "two hundred sixteen billion, four hundred fifty million, one thousand, two hundred forty-five".