1660886072 has 32 divisors (see below), whose sum is σ = 3180016800. Its totient is φ = 813049344.

The previous prime is 1660886063. The next prime is 1660886093. The reversal of 1660886072 is 2706880661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69629 + ... + 90387.

It is an arithmetic number, because the mean of its divisors is an integer number (99375525).

Almost surely, 2^1660886072 is an apocalyptic number.

It is an amenable number.

1660886072 is a deficient number, since it is larger than the sum of its proper divisors (1519130728).

1660886072 is a wasteful number, since it uses less digits than its factorization.

1660886072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20975 (or 20971 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1660886072 is about 40753.9700152022. The cubic root of 1660886072 is about 1184.2587831441.

The spelling of 1660886072 in words is "one billion, six hundred sixty million, eight hundred eighty-six thousand, seventy-two".