6630455445 has 16 divisors (see below), whose sum is σ = 10686168000. Its totient is φ = 3510429824.

The previous prime is 6630455443. The next prime is 6630455509. The reversal of 6630455445 is 5445540366.

It is a cyclic number.

It is not a de Polignac number, because 6630455445 - 2¹ = 6630455443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6630455397 and 6630455406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630455443) 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, 1611195 + ... + 1615304.

It is an arithmetic number, because the mean of its divisors is an integer number (667885500).

Almost surely, 2^6630455445 is an apocalyptic number.

It is an amenable number.

6630455445 is a deficient number, since it is larger than the sum of its proper divisors (4055712555).

6630455445 is a wasteful number, since it uses less digits than its factorization.

6630455445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226644.

The product of its (nonzero) digits is 864000, while the sum is 42.

The square root of 6630455445 is about 81427.6086164883. The cubic root of 6630455445 is about 1878.6582629733.

The spelling of 6630455445 in words is "six billion, six hundred thirty million, four hundred fifty-five thousand, four hundred forty-five".