16049530 has 32 divisors (see below), whose sum is σ = 34960896. Its totient is φ = 5178624.

The previous prime is 16049507. The next prime is 16049531. The reversal of 16049530 is 3594061.

It is a super-3 number, since 3×16049530³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16049531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5554 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (1092528).

Almost surely, 2^16049530 is an apocalyptic number.

16049530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16049530 is an abundant number, since it is smaller than the sum of its proper divisors (18911366).

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

16049530 is a wasteful number, since it uses less digits than its factorization.

16049530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 16049530 is about 4006.1864659549. The cubic root of 16049530 is about 252.2439583419.

The spelling of 16049530 in words is "sixteen million, forty-nine thousand, five hundred thirty".