6660225632 has 12 divisors (see below), whose sum is σ = 13112319276. Its totient is φ = 3330112800.

The previous prime is 6660225623. The next prime is 6660225661. The reversal of 6660225632 is 2365220666.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104065994 + ... + 104066057.

It is an arithmetic number, because the mean of its divisors is an integer number (1092693273).

Almost surely, 2^6660225632 is an apocalyptic number.

It is an amenable number.

6660225632 is a deficient number, since it is larger than the sum of its proper divisors (6452093644).

6660225632 is a wasteful number, since it uses less digits than its factorization.

6660225632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208132061 (or 208132053 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 6660225632 is about 81610.2054402512. The cubic root of 6660225632 is about 1881.4657378853.

The spelling of 6660225632 in words is "six billion, six hundred sixty million, two hundred twenty-five thousand, six hundred thirty-two".