16477456 has 10 divisors (see below), whose sum is σ = 31925102. Its totient is φ = 8238720.

The previous prime is 16477451. The next prime is 16477457. The reversal of 16477456 is 65477461.

It can be written as a sum of positive squares in only one way, i.e., 14745600 + 1731856 = 3840^2 + 1316^2 .

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (16477451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514905 + ... + 514936.

Almost surely, 2^16477456 is an apocalyptic number.

16477456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16477456 is a deficient number, since it is larger than the sum of its proper divisors (15447646).

16477456 is a wasteful number, since it uses less digits than its factorization.

16477456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029849 (or 1029843 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 16477456 is about 4059.2432792332. The cubic root of 16477456 is about 254.4661701746.

The spelling of 16477456 in words is "sixteen million, four hundred seventy-seven thousand, four hundred fifty-six".