16400848 has 20 divisors (see below), whose sum is σ = 31983940. Its totient is φ = 8146944.

The previous prime is 16400821. The next prime is 16400851. The reversal of 16400848 is 84800461.

It can be written as a sum of positive squares in 2 ways, for example, as 2917264 + 13483584 = 1708^2 + 3672^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (1599197).

Almost surely, 2^16400848 is an apocalyptic number.

It is an amenable number.

16400848 is a deficient number, since it is larger than the sum of its proper divisors (15583092).

16400848 is a wasteful number, since it uses less digits than its factorization.

16400848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694 (or 6688 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 16400848 is about 4049.7960442472. The cubic root of 16400848 is about 254.0711975169.

The spelling of 16400848 in words is "sixteen million, four hundred thousand, eight hundred forty-eight".