6412665216 has 32 divisors (see below), whose sum is σ = 17033643000. Its totient is φ = 2137554944.

The previous prime is 6412665211. The next prime is 6412665221. The reversal of 6412665216 is 6125662146.

It is an interprime number because it is at equal distance from previous prime (6412665211) and next prime (6412665221).

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×6412665216² = 82244550344992653312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412665211) 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, 8349441 + ... + 8350208.

Almost surely, 2^6412665216 is an apocalyptic number.

It is an amenable number.

6412665216 is an abundant number, since it is smaller than the sum of its proper divisors (10620977784).

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

6412665216 is a wasteful number, since it uses less digits than its factorization.

6412665216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16699666 (or 16699654 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 6412665216 is about 80079.1184766666. The cubic root of 6412665216 is about 1857.8594498883.

The spelling of 6412665216 in words is "six billion, four hundred twelve million, six hundred sixty-five thousand, two hundred sixteen".