16451507164271 has 2 divisors, whose sum is σ = 16451507164272. Its totient is φ = 16451507164270.

The previous prime is 16451507164249. The next prime is 16451507164319. The reversal of 16451507164271 is 17246170515461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16451507164271 - 2⁶ = 16451507164207 is a prime.

It is a super-2 number, since 2×16451507164271² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16451507164201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8225753582135 + 8225753582136.

It is an arithmetic number, because the mean of its divisors is an integer number (8225753582136).

Almost surely, 2^{16451507164271} is an apocalyptic number.

16451507164271 is a deficient number, since it is larger than the sum of its proper divisors (1).

16451507164271 is an equidigital number, since it uses as much as digits as its factorization.

16451507164271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 16451507164271 in words is "sixteen trillion, four hundred fifty-one billion, five hundred seven million, one hundred sixty-four thousand, two hundred seventy-one".