4172164057631 has 2 divisors, whose sum is σ = 4172164057632. Its totient is φ = 4172164057630.

The previous prime is 4172164057613. The next prime is 4172164057667. The reversal of 4172164057631 is 1367504612714.

Together with previous prime (4172164057613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4172164057631 is a prime.

It is a super-2 number, since 2×4172164057631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4172164057931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086082028815 + 2086082028816.

It is an arithmetic number, because the mean of its divisors is an integer number (2086082028816).

Almost surely, 2^{4172164057631} is an apocalyptic number.

4172164057631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4172164057631 is an equidigital number, since it uses as much as digits as its factorization.

4172164057631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 4172164057631 in words is "four trillion, one hundred seventy-two billion, one hundred sixty-four million, fifty-seven thousand, six hundred thirty-one".