6665460900 has 72 divisors (see below), whose sum is σ = 22040464320. Its totient is φ = 1523533440.

The previous prime is 6665460883. The next prime is 6665460947. The reversal of 6665460900 is 90645666.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1584915 + ... + 1589114.

It is an arithmetic number, because the mean of its divisors is an integer number (306117560).

Almost surely, 2^6665460900 is an apocalyptic number.

6665460900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6665460900 is an abundant number, since it is smaller than the sum of its proper divisors (15375003420).

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

6665460900 is a wasteful number, since it uses less digits than its factorization.

6665460900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174053 (or 3174046 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 6665460900 is about 81642.2739761700. The cubic root of 6665460900 is about 1881.9585839331.

The spelling of 6665460900 in words is "six billion, six hundred sixty-five million, four hundred sixty thousand, nine hundred".