40165111967 has 2 divisors, whose sum is σ = 40165111968. Its totient is φ = 40165111966.

The previous prime is 40165111951. The next prime is 40165112021. The reversal of 40165111967 is 76911156104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40165111967 - 2⁴ = 40165111951 is a prime.

It is a super-2 number, since 2×40165111967² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40165111907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20082555983 + 20082555984.

It is an arithmetic number, because the mean of its divisors is an integer number (20082555984).

Almost surely, 2^40165111967 is an apocalyptic number.

40165111967 is a deficient number, since it is larger than the sum of its proper divisors (1).

40165111967 is an equidigital number, since it uses as much as digits as its factorization.

40165111967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 40165111967 in words is "forty billion, one hundred sixty-five million, one hundred eleven thousand, nine hundred sixty-seven".