40066160664 has 32 divisors (see below), whose sum is σ = 100188569520. Its totient is φ = 13352297856.

The previous prime is 40066160647. The next prime is 40066160669. The reversal of 40066160664 is 46606166004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40066160669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85927 + ... + 295830.

Almost surely, 2^40066160664 is an apocalyptic number.

It is an amenable number.

40066160664 is an abundant number, since it is smaller than the sum of its proper divisors (60122408856).

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

40066160664 is a wasteful number, since it uses less digits than its factorization.

40066160664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386139 (or 386135 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 40066160664 in words is "forty billion, sixty-six million, one hundred sixty thousand, six hundred sixty-four".