4156216664 has 16 divisors (see below), whose sum is σ = 8061627600. Its totient is φ = 2006449312.

The previous prime is 4156216651. The next prime is 4156216667. The reversal of 4156216664 is 4666126514.

It is a super-2 number, since 2×4156216664² = 34548273916222577792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156216667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8957132 + ... + 8957595.

It is an arithmetic number, because the mean of its divisors is an integer number (503851725).

Almost surely, 2^4156216664 is an apocalyptic number.

It is an amenable number.

4156216664 is a deficient number, since it is larger than the sum of its proper divisors (3905410936).

4156216664 is a wasteful number, since it uses less digits than its factorization.

4156216664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17914762 (or 17914758 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 4156216664 is about 64468.7262476932. The cubic root of 4156216664 is about 1607.8025992589.

The spelling of 4156216664 in words is "four billion, one hundred fifty-six million, two hundred sixteen thousand, six hundred sixty-four".