40661160163 has 16 divisors (see below), whose sum is σ = 43923932416. Its totient is φ = 37417865760.

The previous prime is 40661160151. The next prime is 40661160173. The reversal of 40661160163 is 36106116604.

It is a cyclic number.

It is not a de Polignac number, because 40661160163 - 2²⁵ = 40627605731 is a prime.

It is a super-2 number, since 2×40661160163² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40661160173) 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 15 ways as a sum of consecutive naturals, for example, 6073648 + ... + 6080338.

It is an arithmetic number, because the mean of its divisors is an integer number (2745245776).

Almost surely, 2^40661160163 is an apocalyptic number.

40661160163 is a deficient number, since it is larger than the sum of its proper divisors (3262772253).

40661160163 is a wasteful number, since it uses less digits than its factorization.

40661160163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8074.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 40661160163 its reverse (36106116604), we get a palindrome (76767276767).

The spelling of 40661160163 in words is "forty billion, six hundred sixty-one million, one hundred sixty thousand, one hundred sixty-three".