40160687667 has 16 divisors (see below), whose sum is σ = 55528761600. Its totient is φ = 25797254112.

The previous prime is 40160687663. The next prime is 40160687687. The reversal of 40160687667 is 76678606104.

It is not a de Polignac number, because 40160687667 - 2² = 40160687663 is a prime.

It is a super-2 number, since 2×40160687667² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40160687663) 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 in 15 ways as a sum of consecutive naturals, for example, 1744917 + ... + 1767782.

It is an arithmetic number, because the mean of its divisors is an integer number (3470547600).

Almost surely, 2^40160687667 is an apocalyptic number.

40160687667 is a deficient number, since it is larger than the sum of its proper divisors (15368073933).

40160687667 is a wasteful number, since it uses less digits than its factorization.

40160687667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512842.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 40160687667 in words is "forty billion, one hundred sixty million, six hundred eighty-seven thousand, six hundred sixty-seven".