6665615010 has 32 divisors (see below), whose sum is σ = 17774974080. Its totient is φ = 1777497264.

The previous prime is 6665615003. The next prime is 6665615023. The reversal of 6665615010 is 105165666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12343462 + ... + 12344001.

It is an arithmetic number, because the mean of its divisors is an integer number (555467940).

Almost surely, 2^6665615010 is an apocalyptic number.

6665615010 is an abundant number, since it is smaller than the sum of its proper divisors (11109359070).

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

6665615010 is a wasteful number, since it uses less digits than its factorization.

6665615010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24687479 (or 24687473 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6665615010 is about 81643.2177832305. The cubic root of 6665615010 is about 1881.9730878764.

The spelling of 6665615010 in words is "six billion, six hundred sixty-five million, six hundred fifteen thousand, ten".