40306166697 has 8 divisors (see below), whose sum is σ = 53768394144. Its totient is φ = 26857358528.

The previous prime is 40306166689. The next prime is 40306166723. The reversal of 40306166697 is 79666160304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40306166697 - 2³ = 40306166689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40306166647) 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 7 ways as a sum of consecutive naturals, for example, 3347808 + ... + 3359825.

It is an arithmetic number, because the mean of its divisors is an integer number (6721049268).

Almost surely, 2^40306166697 is an apocalyptic number.

It is an amenable number.

40306166697 is a deficient number, since it is larger than the sum of its proper divisors (13462227447).

40306166697 is a wasteful number, since it uses less digits than its factorization.

40306166697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709639.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 40306166697 in words is "forty billion, three hundred six million, one hundred sixty-six thousand, six hundred ninety-seven".