40166554562673 has 64 divisors (see below), whose sum is σ = 67123761868800. Its totient is φ = 20755365523200.

The previous prime is 40166554562653. The next prime is 40166554562681. The reversal of 40166554562673 is 37626545566104.

It is not a de Polignac number, because 40166554562673 - 2⁶ = 40166554562609 is a prime.

It is a super-2 number, since 2×40166554562673² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166554562653) 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 63 ways as a sum of consecutive naturals, for example, 175533211 + ... + 175761887.

It is an arithmetic number, because the mean of its divisors is an integer number (1048808779200).

Almost surely, 2^{40166554562673} is an apocalyptic number.

It is an amenable number.

40166554562673 is a deficient number, since it is larger than the sum of its proper divisors (26957207306127).

40166554562673 is a wasteful number, since it uses less digits than its factorization.

40166554562673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232718.

The product of its (nonzero) digits is 108864000, while the sum is 60.

The spelling of 40166554562673 in words is "forty trillion, one hundred sixty-six billion, five hundred fifty-four million, five hundred sixty-two thousand, six hundred seventy-three".