216122463 has 12 divisors (see below), whose sum is σ = 312851448. Its totient is φ = 143770320.

The previous prime is 216122461. The next prime is 216122519. The reversal of 216122463 is 364221612.

216122463 is a `hidden beast` number, since 2 + 1 + 612 + 2 + 46 + 3 = 666.

It is not a de Polignac number, because 216122463 - 2¹ = 216122461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216122461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21508 + ... + 29913.

It is an arithmetic number, because the mean of its divisors is an integer number (26070954).

Almost surely, 2^216122463 is an apocalyptic number.

216122463 is a deficient number, since it is larger than the sum of its proper divisors (96728985).

216122463 is a wasteful number, since it uses less digits than its factorization.

216122463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51894 (or 51891 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 216122463 is about 14701.1041422065. The cubic root of 216122463 is about 600.1133702440.

The spelling of 216122463 in words is "two hundred sixteen million, one hundred twenty-two thousand, four hundred sixty-three".