16149012 has 96 divisors (see below), whose sum is σ = 44513280. Its totient is φ = 4504320.

The previous prime is 16149011. The next prime is 16149017. The reversal of 16149012 is 21094161.

16149012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16149012² = 521581177152288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16149011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117808 + ... + 117944.

It is an arithmetic number, because the mean of its divisors is an integer number (463680).

Almost surely, 2^16149012 is an apocalyptic number.

16149012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16149012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22256640).

16149012 is an abundant number, since it is smaller than the sum of its proper divisors (28364268).

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

16149012 is a wasteful number, since it uses less digits than its factorization.

16149012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 16149012 is about 4018.5833324693. The cubic root of 16149012 is about 252.7640579743.

The spelling of 16149012 in words is "sixteen million, one hundred forty-nine thousand, twelve".