40163162120765 has 32 divisors (see below), whose sum is σ = 50924790512640. Its totient is φ = 30324074457600.

The previous prime is 40163162120747. The next prime is 40163162120819. The reversal of 40163162120765 is 56702126136104.

It is a de Polignac number, because none of the positive numbers 2^k-40163162120765 is a prime.

It is a super-2 number, since 2×40163162120765² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116137460 + ... + 116482770.

It is an arithmetic number, because the mean of its divisors is an integer number (1591399703520).

Almost surely, 2^{40163162120765} is an apocalyptic number.

It is an amenable number.

40163162120765 is a deficient number, since it is larger than the sum of its proper divisors (10761628391875).

40163162120765 is a wasteful number, since it uses less digits than its factorization.

40163162120765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349973.

The product of its (nonzero) digits is 362880, while the sum is 44.

Adding to 40163162120765 its reverse (56702126136104), we get a palindrome (96865288256869).

The spelling of 40163162120765 in words is "forty trillion, one hundred sixty-three billion, one hundred sixty-two million, one hundred twenty thousand, seven hundred sixty-five".