1660416916 has 24 divisors (see below), whose sum is σ = 3157333760. Its totient is φ = 761140800.

The previous prime is 1660416899. The next prime is 1660416931. The reversal of 1660416916 is 6196140661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350025 + ... + 354736.

Almost surely, 2^1660416916 is an apocalyptic number.

It is an amenable number.

1660416916 is a deficient number, since it is larger than the sum of its proper divisors (1496916844).

1660416916 is a wasteful number, since it uses less digits than its factorization.

1660416916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704815 (or 704813 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1660416916 is about 40748.2136540978. The cubic root of 1660416916 is about 1184.1472654738.

The spelling of 1660416916 in words is "one billion, six hundred sixty million, four hundred sixteen thousand, nine hundred sixteen".