3216612663 has 24 divisors (see below), whose sum is σ = 5077328256. Its totient is φ = 1946106000.

The previous prime is 3216612593. The next prime is 3216612667. The reversal of 3216612663 is 3662166123.

3216612663 is a `hidden beast` number, since 32 + 1 + 6 + 612 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 3216612663 - 2⁹ = 3216612151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216612667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30438 + ... + 85788.

It is an arithmetic number, because the mean of its divisors is an integer number (211555344).

Almost surely, 2^3216612663 is an apocalyptic number.

3216612663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3216612663 is a deficient number, since it is larger than the sum of its proper divisors (1860715593).

3216612663 is a wasteful number, since it uses less digits than its factorization.

3216612663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55955 (or 55952 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3216612663 is about 56715.1889973048. The cubic root of 3216612663 is about 1476.1582648612.

Adding to 3216612663 its reverse (3662166123), we get a palindrome (6878778786).

The spelling of 3216612663 in words is "three billion, two hundred sixteen million, six hundred twelve thousand, six hundred sixty-three".