2162406440087 has 2 divisors, whose sum is σ = 2162406440088. Its totient is φ = 2162406440086.

The previous prime is 2162406440071. The next prime is 2162406440123. The reversal of 2162406440087 is 7800446042612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2162406440087 - 2⁴ = 2162406440071 is a prime.

It is a super-2 number, since 2×2162406440087² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162406440017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081203220043 + 1081203220044.

It is an arithmetic number, because the mean of its divisors is an integer number (1081203220044).

Almost surely, 2^{2162406440087} is an apocalyptic number.

2162406440087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162406440087 is an equidigital number, since it uses as much as digits as its factorization.

2162406440087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 2162406440087 in words is "two trillion, one hundred sixty-two billion, four hundred six million, four hundred forty thousand, eighty-seven".