16148644 has 18 divisors (see below), whose sum is σ = 29208102. Its totient is φ = 7812000.

The previous prime is 16148633. The next prime is 16148647. The reversal of 16148644 is 44684161.

16148644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 6150400 = 3162^2 + 2480^2 .

It is not an unprimeable number, because it can be changed into a prime (16148647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1744 + ... + 5944.

Almost surely, 2^16148644 is an apocalyptic number.

It is an amenable number.

16148644 is a deficient number, since it is larger than the sum of its proper divisors (13059458).

16148644 is a wasteful number, since it uses less digits than its factorization.

16148644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267 (or 4234 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 16148644 is about 4018.5375449285. The cubic root of 16148644 is about 252.7621379832.

The spelling of 16148644 in words is "sixteen million, one hundred forty-eight thousand, six hundred forty-four".