40163165435168 has 12 divisors (see below), whose sum is σ = 79071231950550. Its totient is φ = 20081582717568.

The previous prime is 40163165435167. The next prime is 40163165435203. The reversal of 40163165435168 is 86153456136104.

It can be written as a sum of positive squares in only one way, i.e., 38411386126864 + 1751779308304 = 6197692^2 + 1323548^2 .

It is a super-2 number, since 2×40163165435168² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40163165435167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627549459893 + ... + 627549459956.

Almost surely, 2^{40163165435168} is an apocalyptic number.

It is an amenable number.

40163165435168 is a deficient number, since it is larger than the sum of its proper divisors (38908066515382).

40163165435168 is a wasteful number, since it uses less digits than its factorization.

40163165435168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255098919859 (or 1255098919851 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 40163165435168 in words is "forty trillion, one hundred sixty-three billion, one hundred sixty-five million, four hundred thirty-five thousand, one hundred sixty-eight".