16424657534644 has 24 divisors (see below), whose sum is σ = 29446384459968. Its totient is φ = 8011434509760.

The previous prime is 16424657534629. The next prime is 16424657534653. The reversal of 16424657534644 is 44643575642461.

It is a happy number.

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, 1485192 + ... + 5920735.

It is an arithmetic number, because the mean of its divisors is an integer number (1226932685832).

Almost surely, 2^{16424657534644} is an apocalyptic number.

It is an amenable number.

16424657534644 is a deficient number, since it is larger than the sum of its proper divisors (13021726925324).

16424657534644 is a wasteful number, since it uses less digits than its factorization.

16424657534644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7419495 (or 7419493 counting only the distinct ones).

The product of its digits is 232243200, while the sum is 61.

The spelling of 16424657534644 in words is "sixteen trillion, four hundred twenty-four billion, six hundred fifty-seven million, five hundred thirty-four thousand, six hundred forty-four".