16529990 has 16 divisors (see below), whose sum is σ = 29801520. Its totient is φ = 6601440.

The previous prime is 16529987. The next prime is 16530013. The reversal of 16529990 is 9992561.

It is a super-3 number, since 3×16529990³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9401 + ... + 11019.

It is an arithmetic number, because the mean of its divisors is an integer number (1862595).

Almost surely, 2^16529990 is an apocalyptic number.

16529990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16529990 is a deficient number, since it is larger than the sum of its proper divisors (13271530).

16529990 is a wasteful number, since it uses less digits than its factorization.

16529990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 16529990 is about 4065.7090402536. The cubic root of 16529990 is about 254.7363159217.

The spelling of 16529990 in words is "sixteen million, five hundred twenty-nine thousand, nine hundred ninety".