40654116666166 has 32 divisors (see below), whose sum is σ = 63674728762176. Its totient is φ = 19448677248000.

The previous prime is 40654116666127. The next prime is 40654116666211. The reversal of 40654116666166 is 66166661145604.

It is a super-2 number, since 2×40654116666166² (a number of 28 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 40654116666166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8019726 + ... + 12067486.

It is an arithmetic number, because the mean of its divisors is an integer number (1989835273818).

Almost surely, 2^{40654116666166} is an apocalyptic number.

40654116666166 is a deficient number, since it is larger than the sum of its proper divisors (23020612096010).

40654116666166 is a wasteful number, since it uses less digits than its factorization.

40654116666166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050168.

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 40654116666166 in words is "forty trillion, six hundred fifty-four billion, one hundred sixteen million, six hundred sixty-six thousand, one hundred sixty-six".