16351648 has 12 divisors (see below), whose sum is σ = 32192370. Its totient is φ = 8175808.

The previous prime is 16351627. The next prime is 16351649. The reversal of 16351648 is 84615361.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10061584 + 6290064 = 3172^2 + 2508^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16351649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255463 + ... + 255526.

Almost surely, 2^16351648 is an apocalyptic number.

It is an amenable number.

16351648 is a deficient number, since it is larger than the sum of its proper divisors (15840722).

16351648 is an equidigital number, since it uses as much as digits as its factorization.

16351648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510999 (or 510991 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 16351648 is about 4043.7171018755. The cubic root of 16351648 is about 253.8168849869.

The spelling of 16351648 in words is "sixteen million, three hundred fifty-one thousand, six hundred forty-eight".