40166067335731 has 2 divisors, whose sum is σ = 40166067335732. Its totient is φ = 40166067335730.

The previous prime is 40166067335671. The next prime is 40166067335741. The reversal of 40166067335731 is 13753376066104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40166067335731 - 2³⁵ = 40131707597363 is a prime.

It is a super-2 number, since 2×40166067335731² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40166067335741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083033667865 + 20083033667866.

It is an arithmetic number, because the mean of its divisors is an integer number (20083033667866).

Almost surely, 2^{40166067335731} is an apocalyptic number.

40166067335731 is a deficient number, since it is larger than the sum of its proper divisors (1).

40166067335731 is an equidigital number, since it uses as much as digits as its factorization.

40166067335731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 40166067335731 in words is "forty trillion, one hundred sixty-six billion, sixty-seven million, three hundred thirty-five thousand, seven hundred thirty-one".