1316699966 has 8 divisors (see below), whose sum is σ = 1975683864. Its totient is φ = 658138680.

The previous prime is 1316699959. The next prime is 1316699987. The reversal of 1316699966 is 6699966131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97745 + ... + 110396.

It is an arithmetic number, because the mean of its divisors is an integer number (246960483).

Almost surely, 2^1316699966 is an apocalyptic number.

1316699966 is a deficient number, since it is larger than the sum of its proper divisors (658983898).

1316699966 is a wasteful number, since it uses less digits than its factorization.

1316699966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211306.

The product of its digits is 2834352, while the sum is 56.

The square root of 1316699966 is about 36286.3606056050. The cubic root of 1316699966 is about 1096.0464037886.

The spelling of 1316699966 in words is "one billion, three hundred sixteen million, six hundred ninety-nine thousand, nine hundred sixty-six".