1668082492 has 12 divisors (see below), whose sum is σ = 2946426840. Its totient is φ = 826246256.

The previous prime is 1668082489. The next prime is 1668082501. The reversal of 1668082492 is 2942808661.

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, 1948267 + ... + 1949122.

It is an arithmetic number, because the mean of its divisors is an integer number (245535570).

Almost surely, 2^1668082492 is an apocalyptic number.

It is an amenable number.

1668082492 is a deficient number, since it is larger than the sum of its proper divisors (1278344348).

1668082492 is a wasteful number, since it uses less digits than its factorization.

1668082492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897500 (or 3897498 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 1668082492 is about 40842.1656134931. The cubic root of 1668082492 is about 1185.9667357846.

The spelling of 1668082492 in words is "one billion, six hundred sixty-eight million, eighty-two thousand, four hundred ninety-two".