660047048 has 32 divisors (see below), whose sum is σ = 1252208160. Its totient is φ = 326140800.

The previous prime is 660046979. The next prime is 660047057. The reversal of 660047048 is 840740066.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 660046999 and 660047017.

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, 513815 + ... + 515097.

It is an arithmetic number, because the mean of its divisors is an integer number (39131505).

Almost surely, 2^660047048 is an apocalyptic number.

It is an amenable number.

660047048 is a deficient number, since it is larger than the sum of its proper divisors (592161112).

660047048 is a wasteful number, since it uses less digits than its factorization.

660047048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 660047048 is about 25691.3808114706. The cubic root of 660047048 is about 870.6794568853.

The spelling of 660047048 in words is "six hundred sixty million, forty-seven thousand, forty-eight".