16275863464287 has 12 divisors (see below), whose sum is σ = 25244196393816. Its totient is φ = 9300493408080.

The previous prime is 16275863464277. The next prime is 16275863464291. The reversal of 16275863464287 is 78246436857261.

It is a happy number.

It is not a de Polignac number, because 16275863464287 - 2¹¹ = 16275863462239 is a prime.

It is a super-2 number, since 2×16275863464287² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16275863464277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55360079664 + ... + 55360079957.

It is an arithmetic number, because the mean of its divisors is an integer number (2103683032818).

Almost surely, 2^{16275863464287} is an apocalyptic number.

16275863464287 is a deficient number, since it is larger than the sum of its proper divisors (8968332929529).

16275863464287 is a wasteful number, since it uses less digits than its factorization.

16275863464287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110720159638 (or 110720159631 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 69.

The spelling of 16275863464287 in words is "sixteen trillion, two hundred seventy-five billion, eight hundred sixty-three million, four hundred sixty-four thousand, two hundred eighty-seven".