420165012067 has 2 divisors, whose sum is σ = 420165012068. Its totient is φ = 420165012066.

The previous prime is 420165012053. The next prime is 420165012073. The reversal of 420165012067 is 760210561024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420165012067 - 2¹¹ = 420165010019 is a prime.

It is a super-2 number, since 2×420165012067² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420165012367) 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 as a sum of consecutive naturals, namely, 210082506033 + 210082506034.

It is an arithmetic number, because the mean of its divisors is an integer number (210082506034).

Almost surely, 2^420165012067 is an apocalyptic number.

420165012067 is a deficient number, since it is larger than the sum of its proper divisors (1).

420165012067 is an equidigital number, since it uses as much as digits as its factorization.

420165012067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 420165012067 in words is "four hundred twenty billion, one hundred sixty-five million, twelve thousand, sixty-seven".