16109648 has 10 divisors (see below), whose sum is σ = 31212474. Its totient is φ = 8054816.

The previous prime is 16109641. The next prime is 16109651. The reversal of 16109648 is 84690161.

It can be written as a sum of positive squares in only one way, i.e., 11478544 + 4631104 = 3388^2 + 2152^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16109641) by changing a digit.

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 as a sum of consecutive naturals, namely, 503411 + ... + 503442.

Almost surely, 2^16109648 is an apocalyptic number.

It is an amenable number.

16109648 is a deficient number, since it is larger than the sum of its proper divisors (15102826).

16109648 is a wasteful number, since it uses less digits than its factorization.

16109648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006861 (or 1006855 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 16109648 is about 4013.6825983129. The cubic root of 16109648 is about 252.5585159940.

The spelling of 16109648 in words is "sixteen million, one hundred nine thousand, six hundred forty-eight".