16468021477485 has 12 divisors (see below), whose sum is σ = 28544570561052. Its totient is φ = 8782944787968.

The previous prime is 16468021477459. The next prime is 16468021477489. The reversal of 16468021477485 is 58477412086461.

16468021477485 is a `hidden beast` number, since 1 + 6 + 4 + 6 + 8 + 0 + 2 + 147 + 7 + 485 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8891715682404 + 7576305795081 = 2981898^2 + 2752509^2 .

It is not a de Polignac number, because 16468021477485 - 2¹⁰ = 16468021476461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16468021477489) 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 in 11 ways as a sum of consecutive naturals, for example, 182978016372 + ... + 182978016461.

It is an arithmetic number, because the mean of its divisors is an integer number (2378714213421).

Almost surely, 2^{16468021477485} is an apocalyptic number.

16468021477485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16468021477485 is a deficient number, since it is larger than the sum of its proper divisors (12076549083567).

16468021477485 is a wasteful number, since it uses less digits than its factorization.

16468021477485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365956032844 (or 365956032841 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 63.

The spelling of 16468021477485 in words is "sixteen trillion, four hundred sixty-eight billion, twenty-one million, four hundred seventy-seven thousand, four hundred eighty-five".