40163876665 has 16 divisors (see below), whose sum is σ = 53012704896. Its totient is φ = 29210087280.

The previous prime is 40163876663. The next prime is 40163876689. The reversal of 40163876665 is 56667836104.

It is not a de Polignac number, because 40163876665 - 2¹ = 40163876663 is a prime.

It is a super-2 number, since 2×40163876665² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40163876663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3010917 + ... + 3024226.

It is an arithmetic number, because the mean of its divisors is an integer number (3313294056).

Almost surely, 2^40163876665 is an apocalyptic number.

It is an amenable number.

40163876665 is a deficient number, since it is larger than the sum of its proper divisors (12848828231).

40163876665 is an equidigital number, since it uses as much as digits as its factorization.

40163876665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035181 (or 6035159 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 40163876665 in words is "forty billion, one hundred sixty-three million, eight hundred seventy-six thousand, six hundred sixty-five".