16149500 has 24 divisors (see below), whose sum is σ = 35271600. Its totient is φ = 6459600.

The previous prime is 16149457. The next prime is 16149503. The reversal of 16149500 is 594161.

It is a self number, because there is not a number n which added to its sum of digits gives 16149500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16149503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15650 + ... + 16649.

It is an arithmetic number, because the mean of its divisors is an integer number (1469650).

Almost surely, 2^16149500 is an apocalyptic number.

16149500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16149500 is an abundant number, since it is smaller than the sum of its proper divisors (19122100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16149500 is a wasteful number, since it uses less digits than its factorization.

16149500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32318 (or 32306 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 16149500 is about 4018.6440499253. The cubic root of 16149500 is about 252.7666040046.

The spelling of 16149500 in words is "sixteen million, one hundred forty-nine thousand, five hundred".