40161108675073 has 2 divisors, whose sum is σ = 40161108675074. Its totient is φ = 40161108675072.

The previous prime is 40161108675043. The next prime is 40161108675113. The reversal of 40161108675073 is 37057680116104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24944111270464 + 15216997404609 = 4994408^2 + 3900897^2 .

It is a cyclic number.

It is not a de Polignac number, because 40161108675073 - 2²⁵ = 40161075120641 is a prime.

It is a super-2 number, since 2×40161108675073² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40161108675013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20080554337536 + 20080554337537.

It is an arithmetic number, because the mean of its divisors is an integer number (20080554337537).

Almost surely, 2^{40161108675073} is an apocalyptic number.

It is an amenable number.

40161108675073 is a deficient number, since it is larger than the sum of its proper divisors (1).

40161108675073 is an equidigital number, since it uses as much as digits as its factorization.

40161108675073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 40161108675073 in words is "forty trillion, one hundred sixty-one billion, one hundred eight million, six hundred seventy-five thousand, seventy-three".