216415202463 has 14 divisors (see below), whose sum is σ = 324474371864. Its totient is φ = 144276801156.

The previous prime is 216415202429. The next prime is 216415202473. The reversal of 216415202463 is 364202514612.

216415202463 is a `hidden beast` number, since 2 + 1 + 641 + 5 + 2 + 0 + 2 + 4 + 6 + 3 = 666.

It is not a de Polignac number, because 216415202463 - 2¹³ = 216415194271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216415202413) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 148432195 + ... + 148433652.

Almost surely, 2^216415202463 is an apocalyptic number.

216415202463 is a deficient number, since it is larger than the sum of its proper divisors (108059169401).

216415202463 is an frugal number, since it uses more digits than its factorization.

216415202463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296865865 (or 296865850 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 216415202463 in words is "two hundred sixteen billion, four hundred fifteen million, two hundred two thousand, four hundred sixty-three".