40108168666237 has 12 divisors (see below), whose sum is σ = 47649131340480. Its totient is φ = 33646974319896.

The previous prime is 40108168666207. The next prime is 40108168666259. The reversal of 40108168666237 is 73266686180104.

It is not a de Polignac number, because 40108168666237 - 2¹⁵ = 40108168633469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40108168666207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8707806787 + ... + 8707811392.

It is an arithmetic number, because the mean of its divisors is an integer number (3970760945040).

Almost surely, 2^{40108168666237} is an apocalyptic number.

40108168666237 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40108168666237 is a deficient number, since it is larger than the sum of its proper divisors (7540962674243).

40108168666237 is a wasteful number, since it uses less digits than its factorization.

40108168666237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17415618240 (or 17415618233 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 40108168666237 in words is "forty trillion, one hundred eight billion, one hundred sixty-eight million, six hundred sixty-six thousand, two hundred thirty-seven".