663060044 has 24 divisors (see below), whose sum is σ = 1239498288. Its totient is φ = 309263360.

The previous prime is 663060029. The next prime is 663060053. The reversal of 663060044 is 440060366.

It is a junction number, because it is equal to n+sod(n) for n = 663059989 and 663060016.

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, 35462 + ... + 50829.

It is an arithmetic number, because the mean of its divisors is an integer number (51645762).

Almost surely, 2^663060044 is an apocalyptic number.

It is an amenable number.

663060044 is a deficient number, since it is larger than the sum of its proper divisors (576438244).

663060044 is a wasteful number, since it uses less digits than its factorization.

663060044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86425 (or 86423 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 663060044 is about 25749.9523106355. The cubic root of 663060044 is about 872.0022777905.

The spelling of 663060044 in words is "six hundred sixty-three million, sixty thousand, forty-four".