16477912489428 has 120 divisors (see below), whose sum is σ = 47468936436768. Its totient is φ = 4952216937024.

The previous prime is 16477912489427. The next prime is 16477912489459. The reversal of 16477912489428 is 82498421977461.

16477912489428 is a `hidden beast` number, since 1 + 6 + 4 + 7 + 79 + 124 + 8 + 9 + 428 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16477912489427) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45308826 + ... + 45671057.

Almost surely, 2^{16477912489428} is an apocalyptic number.

16477912489428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16477912489428 is an abundant number, since it is smaller than the sum of its proper divisors (30991023947340).

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

16477912489428 is a wasteful number, since it uses less digits than its factorization.

16477912489428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90979955 (or 90979944 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 72.

The spelling of 16477912489428 in words is "sixteen trillion, four hundred seventy-seven billion, nine hundred twelve million, four hundred eighty-nine thousand, four hundred twenty-eight".