1668088316 has 12 divisors (see below), whose sum is σ = 2998050888. Its totient is φ = 811502352.

The previous prime is 1668088313. The next prime is 1668088333. The reversal of 1668088316 is 6138808661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668088313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5635286 + ... + 5635581.

It is an arithmetic number, because the mean of its divisors is an integer number (249837574).

Almost surely, 2^1668088316 is an apocalyptic number.

It is an amenable number.

1668088316 is a deficient number, since it is larger than the sum of its proper divisors (1329962572).

1668088316 is a wasteful number, since it uses less digits than its factorization.

1668088316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270908 (or 11270906 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1668088316 is about 40842.2369122946. The cubic root of 1668088316 is about 1185.9681160246.

The spelling of 1668088316 in words is "one billion, six hundred sixty-eight million, eighty-eight thousand, three hundred sixteen".