6645460610 has 16 divisors (see below), whose sum is σ = 12481909056. Its totient is φ = 2542610928.

The previous prime is 6645460609. The next prime is 6645460637. The reversal of 6645460610 is 160645466.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14446424 + ... + 14446883.

It is an arithmetic number, because the mean of its divisors is an integer number (780119316).

Almost surely, 2^6645460610 is an apocalyptic number.

6645460610 is a deficient number, since it is larger than the sum of its proper divisors (5836448446).

6645460610 is a wasteful number, since it uses less digits than its factorization.

6645460610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28893337.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 6645460610 is about 81519.6946142464. The cubic root of 6645460610 is about 1880.0743717749.

The spelling of 6645460610 in words is "six billion, six hundred forty-five million, four hundred sixty thousand, six hundred ten".