6665015622 has 8 divisors (see below), whose sum is σ = 13330031256. Its totient is φ = 2221671872.

The previous prime is 6665015603. The next prime is 6665015627. The reversal of 6665015622 is 2265105666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6665015622 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665015627) 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, 555417963 + ... + 555417974.

It is an arithmetic number, because the mean of its divisors is an integer number (1666253907).

Almost surely, 2^6665015622 is an apocalyptic number.

6665015622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6665015622 is a wasteful number, since it uses less digits than its factorization.

6665015622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110835942.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 6665015622 is about 81639.5469242695. The cubic root of 6665015622 is about 1881.9166756826.

The spelling of 6665015622 in words is "six billion, six hundred sixty-five million, fifteen thousand, six hundred twenty-two".