40164875667 has 12 divisors (see below), whose sum is σ = 66303921840. Its totient is φ = 22951357488.

The previous prime is 40164875659. The next prime is 40164875683. The reversal of 40164875667 is 76657846104.

40164875667 is a `hidden beast` number, since 40 + 16 + 487 + 56 + 67 = 666.

It is not a de Polignac number, because 40164875667 - 2³ = 40164875659 is a prime.

It is a super-2 number, since 2×40164875667² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40164875617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318768792 + ... + 318768917.

It is an arithmetic number, because the mean of its divisors is an integer number (5525326820).

Almost surely, 2^40164875667 is an apocalyptic number.

40164875667 is a deficient number, since it is larger than the sum of its proper divisors (26139046173).

40164875667 is a wasteful number, since it uses less digits than its factorization.

40164875667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637537722 (or 637537719 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 40164875667 in words is "forty billion, one hundred sixty-four million, eight hundred seventy-five thousand, six hundred sixty-seven".