16149968 has 10 divisors (see below), whose sum is σ = 31290594. Its totient is φ = 8074976.

The previous prime is 16149901. The next prime is 16149989. The reversal of 16149968 is 86994161.

It can be written as a sum of positive squares in only one way, i.e., 16096144 + 53824 = 4012^2 + 232^2 .

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, 504671 + ... + 504702.

Almost surely, 2^16149968 is an apocalyptic number.

It is an amenable number.

16149968 is a deficient number, since it is larger than the sum of its proper divisors (15140626).

16149968 is a wasteful number, since it uses less digits than its factorization.

16149968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009381 (or 1009375 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 16149968 is about 4018.7022780992. The cubic root of 16149968 is about 252.7690456411.

The spelling of 16149968 in words is "sixteen million, one hundred forty-nine thousand, nine hundred sixty-eight".