40160647168 has 96 divisors (see below), whose sum is σ = 84756672000. Its totient is φ = 18972057600.

The previous prime is 40160647159. The next prime is 40160647183. The reversal of 40160647168 is 86174606104.

It is a super-2 number, since 2×40160647168² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17081193 + ... + 17083543.

It is an arithmetic number, because the mean of its divisors is an integer number (882882000).

Almost surely, 2^40160647168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40160647168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42378336000).

40160647168 is an abundant number, since it is smaller than the sum of its proper divisors (44596024832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40160647168 is a wasteful number, since it uses less digits than its factorization.

40160647168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 40160647168 in words is "forty billion, one hundred sixty million, six hundred forty-seven thousand, one hundred sixty-eight".