1666075036 has 12 divisors (see below), whose sum is σ = 3009684160. Its totient is φ = 806165280.

The previous prime is 1666075013. The next prime is 1666075049. The reversal of 1666075036 is 6305706661.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1666075036.

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, 6717921 + ... + 6718168.

Almost surely, 2^1666075036 is an apocalyptic number.

It is an amenable number.

1666075036 is a deficient number, since it is larger than the sum of its proper divisors (1343609124).

1666075036 is a wasteful number, since it uses less digits than its factorization.

1666075036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436124 (or 13436122 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 1666075036 is about 40817.5824369842. The cubic root of 1666075036 is about 1185.4907937495.

The spelling of 1666075036 in words is "one billion, six hundred sixty-six million, seventy-five thousand, thirty-six".