40666165246 has 16 divisors (see below), whose sum is σ = 69738814944. Its totient is φ = 17422009344.

The previous prime is 40666165229. The next prime is 40666165279. The reversal of 40666165246 is 64256166604.

It is a junction number, because it is equal to n+sod(n) for n = 40666165196 and 40666165205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489015 + ... + 566098.

It is an arithmetic number, because the mean of its divisors is an integer number (4358675934).

Almost surely, 2^40666165246 is an apocalyptic number.

40666165246 is a deficient number, since it is larger than the sum of its proper divisors (29072649698).

40666165246 is a wasteful number, since it uses less digits than its factorization.

40666165246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057875.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 40666165246 in words is "forty billion, six hundred sixty-six million, one hundred sixty-five thousand, two hundred forty-six".