216047463 has 16 divisors (see below), whose sum is σ = 301802496. Its totient is φ = 137301120.

The previous prime is 216047453. The next prime is 216047471. The reversal of 216047463 is 364740612.

It is a happy number.

It is not a de Polignac number, because 216047463 - 2¹² = 216043367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216047443) 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, 11106 + ... + 23567.

It is an arithmetic number, because the mean of its divisors is an integer number (18862656).

Almost surely, 2^216047463 is an apocalyptic number.

216047463 is a deficient number, since it is larger than the sum of its proper divisors (85755033).

216047463 is a wasteful number, since it uses less digits than its factorization.

216047463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34774.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 216047463 is about 14698.5530920564. The cubic root of 216047463 is about 600.0439440037.

The spelling of 216047463 in words is "two hundred sixteen million, forty-seven thousand, four hundred sixty-three".