40166466097 has 2 divisors, whose sum is σ = 40166466098. Its totient is φ = 40166466096.

The previous prime is 40166466091. The next prime is 40166466107. The reversal of 40166466097 is 79066466104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33071604736 + 7094861361 = 181856^2 + 84231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40166466097 is a prime.

It is a super-2 number, since 2×40166466097² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40166466097.

It is not a weakly prime, because it can be changed into another prime (40166466091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083233048 + 20083233049.

It is an arithmetic number, because the mean of its divisors is an integer number (20083233049).

Almost surely, 2^40166466097 is an apocalyptic number.

It is an amenable number.

40166466097 is a deficient number, since it is larger than the sum of its proper divisors (1).

40166466097 is an equidigital number, since it uses as much as digits as its factorization.

40166466097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 40166466097 in words is "forty billion, one hundred sixty-six million, four hundred sixty-six thousand, ninety-seven".