16149988 has 12 divisors (see below), whose sum is σ = 28537600. Its totient is φ = 7996392.

The previous prime is 16149901. The next prime is 16149989. The reversal of 16149988 is 88994161.

It is a super-2 number, since 2×16149988² = 521644224800288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16149989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19188 + ... + 20011.

Almost surely, 2^16149988 is an apocalyptic number.

It is an amenable number.

16149988 is a deficient number, since it is larger than the sum of its proper divisors (12387612).

16149988 is a wasteful number, since it uses less digits than its factorization.

16149988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39306 (or 39304 counting only the distinct ones).

The product of its digits is 124416, while the sum is 46.

The square root of 16149988 is about 4018.7047664639. The cubic root of 16149988 is about 252.7691499835.

The spelling of 16149988 in words is "sixteen million, one hundred forty-nine thousand, nine hundred eighty-eight".