6514653666 has 32 divisors (see below), whose sum is σ = 13171858560. Its totient is φ = 2147821056.

The previous prime is 6514653643. The next prime is 6514653667. The reversal of 6514653666 is 6663564156.

It is not an unprimeable number, because it can be changed into a prime (6514653667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439355 + ... + 1443873.

It is an arithmetic number, because the mean of its divisors is an integer number (411620580).

Almost surely, 2^6514653666 is an apocalyptic number.

6514653666 is an abundant number, since it is smaller than the sum of its proper divisors (6657204894).

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

6514653666 is a wasteful number, since it uses less digits than its factorization.

6514653666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098.

The product of its digits is 2332800, while the sum is 48.

The square root of 6514653666 is about 80713.4045001201. The cubic root of 6514653666 is about 1867.6569610138.

The spelling of 6514653666 in words is "six billion, five hundred fourteen million, six hundred fifty-three thousand, six hundred sixty-six".