40165646366 has 8 divisors (see below), whose sum is σ = 60269610504. Its totient is φ = 20075776200.

The previous prime is 40165646363. The next prime is 40165646401. The reversal of 40165646366 is 66364656104.

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

It is a super-2 number, since 2×40165646366² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40165646366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40165646363) 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, 3516365 + ... + 3527768.

It is an arithmetic number, because the mean of its divisors is an integer number (7533701313).

Almost surely, 2^40165646366 is an apocalyptic number.

40165646366 is a deficient number, since it is larger than the sum of its proper divisors (20103964138).

40165646366 is a wasteful number, since it uses less digits than its factorization.

40165646366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046986.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 40165646366 in words is "forty billion, one hundred sixty-five million, six hundred forty-six thousand, three hundred sixty-six".