16164255487 has 2 divisors, whose sum is σ = 16164255488. Its totient is φ = 16164255486.

The previous prime is 16164255479. The next prime is 16164255493. The reversal of 16164255487 is 78455246161.

It is a strong prime.

It is an emirp because it is prime and its reverse (78455246161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16164255487 - 2³ = 16164255479 is a prime.

It is a super-2 number, since 2×16164255487² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16164255487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16164255407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8082127743 + 8082127744.

It is an arithmetic number, because the mean of its divisors is an integer number (8082127744).

Almost surely, 2^16164255487 is an apocalyptic number.

16164255487 is a deficient number, since it is larger than the sum of its proper divisors (1).

16164255487 is an equidigital number, since it uses as much as digits as its factorization.

16164255487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 49.

The spelling of 16164255487 in words is "sixteen billion, one hundred sixty-four million, two hundred fifty-five thousand, four hundred eighty-seven".