16454020644462 has 16 divisors (see below), whose sum is σ = 32915797182720. Its totient is φ = 5483380899192.

The previous prime is 16454020644379. The next prime is 16454020644487. The reversal of 16454020644462 is 26444602045461.

It is a super-2 number, since 2×16454020644462² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 323134662 + ... + 323185577.

It is an arithmetic number, because the mean of its divisors is an integer number (2057237323920).

Almost surely, 2^{16454020644462} is an apocalyptic number.

16454020644462 is an abundant number, since it is smaller than the sum of its proper divisors (16461776538258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16454020644462 is a wasteful number, since it uses less digits than its factorization.

16454020644462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646324487.

The product of its (nonzero) digits is 4423680, while the sum is 48.

The spelling of 16454020644462 in words is "sixteen trillion, four hundred fifty-four billion, twenty million, six hundred forty-four thousand, four hundred sixty-two".