16461856 has 12 divisors (see below), whose sum is σ = 32409342. Its totient is φ = 8230912.

The previous prime is 16461839. The next prime is 16461881. The reversal of 16461856 is 65816461.

It can be written as a sum of positive squares in only one way, i.e., 13571856 + 2890000 = 3684^2 + 1700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257185 + ... + 257248.

Almost surely, 2^16461856 is an apocalyptic number.

16461856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16461856 is a deficient number, since it is larger than the sum of its proper divisors (15947486).

16461856 is an equidigital number, since it uses as much as digits as its factorization.

16461856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514443 (or 514435 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 16461856 is about 4057.3212838029. The cubic root of 16461856 is about 254.3858396981.

The spelling of 16461856 in words is "sixteen million, four hundred sixty-one thousand, eight hundred fifty-six".