3215663466 has 32 divisors (see below), whose sum is σ = 6489720000. Its totient is φ = 1062190080.

The previous prime is 3215663461. The next prime is 3215663467. The reversal of 3215663466 is 6643665123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3215663461) 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, 397401 + ... + 405411.

It is an arithmetic number, because the mean of its divisors is an integer number (202803750).

Almost surely, 2^3215663466 is an apocalyptic number.

3215663466 is an abundant number, since it is smaller than the sum of its proper divisors (3274056534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215663466 is a wasteful number, since it uses less digits than its factorization.

3215663466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614.

The product of its digits is 466560, while the sum is 42.

The square root of 3215663466 is about 56706.8202776350. The cubic root of 3215663466 is about 1476.0130496933.

The spelling of 3215663466 in words is "three billion, two hundred fifteen million, six hundred sixty-three thousand, four hundred sixty-six".